AUTO PART
Denso Spark Plug IT16#4
Spark Plug, Iridium IT16, Iridium Power
Manufacturer Part NumberIT16#4
Part TypeSpark Plug
BrandDenso
Verified vehicle applications are listed below. Match your exact vehicle configuration before ordering. Confirm by manufacturer part number and application before ordering.
Confirm year, make, model, engine and drivetrain before ordering.
Confirm year, make, model, engine and drivetrain before ordering.
Verified Vehicle Fitment
Make: Buick, Cadillac, Chevrolet, Ford, GMC, Hummer, Isuzu, Jaguar, Lincoln, Mazda, Mercedes-Benz, Mercury, Merkur, Oldsmobile, Pontiac, Saab, Saturn
Model: 257 verified models — see exact combinations below.
Years: 1974–2019 — varies by model and configuration.
Check before ordering: Match the year, make, model, position, and every engine, transmission or other restriction in the same row. Listed years do not apply to every model.
View vehicle applications (734 configuration groups)
| Years | Make | Model | Position | Engine / transmission / notes |
|---|---|---|---|---|
| 1993–1994 | Buick | Century | — | Engine: 2.2 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997–2005 | Buick | Century | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987–1989 | Buick | Century | — | Engine: 2.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1994 | Buick | Century | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1989–1993 | Buick | Century | — | Engine: 3.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986–1988 | Buick | Century | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1995–1996 | Buick | Century | — | Engine: 2.2 L4; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1995–1996 | Buick | Century | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1994–1996 | Buick | Commercial Chassis | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1990 | Buick | Electra | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986–1989 | Buick | Electra | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005–2009 | Buick | LaCrosse | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2008–2009 | Buick | LaCrosse | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1991–2005 | Buick | LeSabre | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986 | Buick | LeSabre | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986–1989 | Buick | LeSabre | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1990 | Buick | LeSabre | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2009, 2011 | Buick | Lucerne | — | Engine: 3.9 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2009, 2011 | Buick | Lucerne | — | Engine: 4.6 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006–2008 | Buick | Lucerne | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2010 | Buick | Lucerne | — | Engine: 3.9 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006–2008, 2010 | Buick | Lucerne | — | Engine: 4.6 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1991–2005 | Buick | Park Avenue | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2004–2005 | Buick | Rainier | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988–1991 | Buick | Reatta | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988–1990, 1994–2004 | Buick | Regal | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1991–1993 | Buick | Regal | — | Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2002–2003, 2007 | Buick | Rendezvous | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2004–2005 | Buick | Rendezvous | — | Engine: 3.4 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006 | Buick | Rendezvous | — | Engine: 3.5 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986–1993, 1995–1999 | Buick | Riviera | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1994–1996 | Buick | Roadmaster | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1989 | Buick | Skyhawk | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988 | Buick | Skyhawk | — | Cylinder Head Type: SOHC; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987 | Buick | Skyhawk | — | Aspiration: Normal; Cylinder Head Type: SOHC; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1995 | Buick | Skylark | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1998 | Buick | Skylark | — | Engine: 2.4 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986–1988 | Buick | Skylark | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1995–1998 | Buick | Skylark | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1989, 1991 | Buick | Skylark | — | Engine: 3.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1994 | Buick | Skylark | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1994 | Buick | Skylark | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1990, 1992–1993 | Buick | Skylark | — | Engine: 3.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986–1987 | Buick | Somerset | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1985 | Buick | Somerset Regal | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005–2007 | Buick | Terraza | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1993 | Cadillac | 60 Special | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987–1993 | Cadillac | Allante | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986–1991, 1994–1996 | Cadillac | Commercial Chassis | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1985 | Cadillac | Commercial Chassis | — | Engine: 4.1 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1992–1993 | Cadillac | Commercial Chassis | — | Engine: 4.9 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2004–2005 | Cadillac | CTS | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006–2007 | Cadillac | CTS | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986–2005 | Cadillac | DeVille | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1983–1985 | Cadillac | DeVille | — | Engine: 4.1 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1982 | Cadillac | DeVille | — | Fuel Delivery Type: FI; Fuel Type: Gas; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006–2010 | Cadillac | DTS | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2011 | Cadillac | DTS | — | Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986–2002 | Cadillac | Eldorado | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1983–1985 | Cadillac | Eldorado | — | Engine: 4.1 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1982 | Cadillac | Eldorado | — | Fuel Delivery Type: FI; Fuel Type: Gas; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1999–2000, 2006–2008, 2010, 2012–2014 | Cadillac | Escalade | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2002–2005 | Cadillac | Escalade | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2009, 2011 | Cadillac | Escalade | — | Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003–2011, 2013–2014 | Cadillac | Escalade ESV | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003–2013 | Cadillac | Escalade EXT | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987–1992, 1994–1996 | Cadillac | Fleetwood | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1983–1985 | Cadillac | Fleetwood | — | Engine: 4.1 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1982 | Cadillac | Fleetwood | — | Engine VIN: 8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986 | Cadillac | Fleetwood | — | Engine: 4.1 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986–2004 | Cadillac | Seville | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1983–1985 | Cadillac | Seville | — | Engine: 4.1 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1982 | Cadillac | Seville | — | Fuel Delivery Type: FI; Fuel Type: Gas; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2004–2009 | Cadillac | SRX | — | Engine: 4.6 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005–2007, 2010 | Cadillac | STS | — | Engine: 4.6 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2008–2009 | Cadillac | STS | — | Engine: 4.6 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2004–2005 | Cadillac | XLR | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006, 2009 | Cadillac | XLR | — | Engine: 4.6 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007–2008 | Cadillac | XLR | — | Engine: 4.6 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2005 | Chevrolet | Astro | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007–2008, 2011–2013 | Chevrolet | Avalanche | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2009–2010 | Chevrolet | Avalanche | — | Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2002–2004, 2006 | Chevrolet | Avalanche 1500 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2002–2006 | Chevrolet | Avalanche 2500 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987–1988 | Chevrolet | Beretta | — | Engine: 2.0 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1993 | Chevrolet | Beretta | — | Engine: 2.2 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987–1988 | Chevrolet | Beretta | — | Engine: 2.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1993 | Chevrolet | Beretta | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1989 | Chevrolet | Beretta | — | Engine: 2.0 L4; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1990–1992, 1994–1996 | Chevrolet | Beretta | — | Engine: 2.2 L4; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1989 | Chevrolet | Beretta | — | Engine: 2.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1990–1992, 1994–1996 | Chevrolet | Beretta | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2005 | Chevrolet | Blazer | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1998 | Chevrolet | C1500 | — | Engine: 4.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1999 | Chevrolet | C1500 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1998 | Chevrolet | C1500 | — | Engine: 5.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1998 | Chevrolet | C1500 | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1999 | Chevrolet | C1500 Suburban | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1998 | Chevrolet | C2500 | — | Engine: 5.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2000 | Chevrolet | C2500 | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2000 | Chevrolet | C2500 | — | Engine: 7.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1999 | Chevrolet | C2500 Suburban | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1999 | Chevrolet | C2500 Suburban | — | Engine: 7.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2000 | Chevrolet | C3500 | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2000 | Chevrolet | C3500 | — | Engine: 7.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2000 | Chevrolet | C3500HD | — | Engine: 7.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2002 | Chevrolet | C3500HD | — | Engine: 8.1 V8; Gap 0.044, Iridium Power Performance Upgrade With World's Smallest Center Electrode 0.4 mm Dia. & Tapered Tip Patented U-Groove Design & Patented Ir Alloy 90% Ir |
| 1995–2000 | Chevrolet | Camaro | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2012–2014 | Chevrolet | Camaro | — | Aspiration: Normal; Engine: 6.2 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1993–2000 | Chevrolet | Camaro | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2010–2011 | Chevrolet | Camaro | — | Engine: 6.2 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1991–1992 | Chevrolet | Camaro | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2002 | Chevrolet | Camaro | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2015 | Chevrolet | Camaro | — | Aspiration: Normal; Engine: 6.2 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2002 | Chevrolet | Camaro | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1994–1996, 2011 | Chevrolet | Caprice | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2012–2014, 2016–2017 | Chevrolet | Caprice | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2015 | Chevrolet | Caprice | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1998–2001 | Chevrolet | Cavalier | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2002 | Chevrolet | Cavalier | — | Cylinder Head Type: OHV; Fuel Type: Gas; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2002 | Chevrolet | Cavalier | — | Engine ID: LD9; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987, 1989 | Chevrolet | Cavalier | — | Engine: 2.0 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1990–1994 | Chevrolet | Cavalier | — | Engine: 2.2 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2002 | Chevrolet | Cavalier | — | Fuel Type: Bi-Fuel; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1991–1994 | Chevrolet | Cavalier | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1995–1997 | Chevrolet | Cavalier | — | Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988 | Chevrolet | Cavalier | — | Engine: 2.0 L4; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987–1989 | Chevrolet | Celebrity | — | Engine: 2.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1990 | Chevrolet | Celebrity | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2009, 2012 | Chevrolet | Colorado | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987–1988 | Chevrolet | Corsica | — | Engine: 2.0 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1990–1994 | Chevrolet | Corsica | — | Engine: 2.2 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987–1988 | Chevrolet | Corsica | — | Engine: 2.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1990–1994 | Chevrolet | Corsica | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1989 | Chevrolet | Corsica | — | Engine: 2.0 L4; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1995–1996 | Chevrolet | Corsica | — | Engine: 2.2 L4; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1989 | Chevrolet | Corsica | — | Engine: 2.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1995–1996 | Chevrolet | Corsica | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1993–2005 | Chevrolet | Corvette | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2009–2010, 2012–2013 | Chevrolet | Corvette | — | Aspiration: Normal; Engine: 6.2 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1992 | Chevrolet | Corvette | — | Cylinder Head Type: OHV; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006–2007 | Chevrolet | Corvette | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2011 | Chevrolet | Corvette | — | Aspiration: Normal; Engine: 6.2 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005–2007 | Chevrolet | Equinox | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2008–2009 | Chevrolet | Equinox | — | Engine: 3.4 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2006, 2009–2010, 2012–2014 | Chevrolet | Express 1500 | — | Engine: 4.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2002 | Chevrolet | Express 1500 | — | Engine: 5.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2009–2010, 2012–2014 | Chevrolet | Express 1500 | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2002 | Chevrolet | Express 1500 | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007–2008, 2011 | Chevrolet | Express 1500 | — | Engine: 4.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007, 2011 | Chevrolet | Express 1500 | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2005 | Chevrolet | Express 2500 | — | Engine: 4.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003–2010, 2012–2014, 2016–2017 | Chevrolet | Express 2500 | — | Engine: 4.8 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2002 | Chevrolet | Express 2500 | — | Engine: 5.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003–2005 | Chevrolet | Express 2500 | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2002 | Chevrolet | Express 2500 | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003–2010, 2012–2014, 2016–2017 | Chevrolet | Express 2500 | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2011, 2015 | Chevrolet | Express 2500 | — | Engine: 4.8 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2011, 2015 | Chevrolet | Express 2500 | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005 | Chevrolet | Express 3500 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006, 2008–2010, 2012–2014, 2016–2017 | Chevrolet | Express 3500 | — | Engine: 4.8 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2002 | Chevrolet | Express 3500 | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003–2004, 2006, 2008–2010, 2012–2014, 2016–2017 | Chevrolet | Express 3500 | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2000 | Chevrolet | Express 3500 | — | Engine: 7.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2002 | Chevrolet | Express 3500 | — | Engine: 8.1 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007, 2011, 2015 | Chevrolet | Express 3500 | — | Engine: 4.8 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007, 2011, 2015 | Chevrolet | Express 3500 | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2009–2014, 2016 | Chevrolet | Express 4500 | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2015 | Chevrolet | Express 4500 | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2000–2005, 2011 | Chevrolet | Impala | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006–2007 | Chevrolet | Impala | — | Engine: 3.5 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006–2007 | Chevrolet | Impala | — | Engine: 3.9 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1994–1996 | Chevrolet | Impala | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006–2007 | Chevrolet | Impala | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2010 | Chevrolet | Impala | — | Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2008–2009 | Chevrolet | Impala | — | Engine: 3.5 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2008–2009 | Chevrolet | Impala | — | Engine: 3.9 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2008–2009 | Chevrolet | Impala | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1998 | Chevrolet | K1500 | — | Engine: 4.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1999 | Chevrolet | K1500 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1998 | Chevrolet | K1500 | — | Engine: 5.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1998 | Chevrolet | K1500 | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1999 | Chevrolet | K1500 Suburban | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997–1998 | Chevrolet | K2500 | — | Engine: 5.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2000 | Chevrolet | K2500 | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2000 | Chevrolet | K2500 | — | Engine: 7.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1999 | Chevrolet | K2500 Suburban | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1999 | Chevrolet | K2500 Suburban | — | Engine: 7.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2000 | Chevrolet | K3500 | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2000 | Chevrolet | K3500 | — | Engine: 7.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1994–1995 | Chevrolet | LLV | — | Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2001 | Chevrolet | Lumina | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1991–1992, 1995 | Chevrolet | Lumina | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1993 | Chevrolet | Lumina | — | Engine: 2.2 L4; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1990, 1993–1994 | Chevrolet | Lumina | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996 | Chevrolet | Lumina APV | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1992–1995 | Chevrolet | Lumina APV | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997–1999 | Chevrolet | Malibu | — | Engine: 2.4 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2000–2003 | Chevrolet | Malibu | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997–1999 | Chevrolet | Malibu | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2004–2010 | Chevrolet | Malibu | — | Engine: 3.5 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006–2007 | Chevrolet | Malibu | — | Engine: 3.9 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2005 | Chevrolet | Monte Carlo | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1995 | Chevrolet | Monte Carlo | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006–2007 | Chevrolet | Monte Carlo | — | Engine: 3.5 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006 | Chevrolet | Monte Carlo | — | Engine: 3.9 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006–2007 | Chevrolet | Monte Carlo | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997–1999 | Chevrolet | P30 | — | Engine: 4.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997 | Chevrolet | P30 | — | Engine ID: L29; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997–1999 | Chevrolet | P30 | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1998–1999 | Chevrolet | P30 | — | Engine: 7.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996 | Chevrolet | P30 | — | Engine: 4.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996 | Chevrolet | P30 | — | Engine: 7.4 V8; Fuel Delivery Sub Type: MFI; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997–2000 | Chevrolet | S10 | — | Engine: 2.2 L4; Fuel Type: Gas; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996, 2001–2003 | Chevrolet | S10 | — | Engine: 2.2 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2000 | Chevrolet | S10 | — | Fuel Type: Flex; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2004 | Chevrolet | S10 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997–2000 | Chevrolet | S10 | — | Engine: 4.3 V6; Fuel Type: Gas; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996, 2001–2003 | Chevrolet | S10 | — | Engine: 4.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1994–1995 | Chevrolet | S10 | — | Engine: 2.2 L4; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1999–2004, 2009–2013 | Chevrolet | Silverado 1500 | — | Engine: 4.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1999–2004, 2009–2013 | Chevrolet | Silverado 1500 | — | Engine: 4.8 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1999–2004, 2009–2013 | Chevrolet | Silverado 1500 | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2009–2013 | Chevrolet | Silverado 1500 | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2009–2013 | Chevrolet | Silverado 1500 | — | Engine: 6.2 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005–2008 | Chevrolet | Silverado 1500 | — | Engine: 4.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005–2008 | Chevrolet | Silverado 1500 | — | Engine: 4.8 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005–2008 | Chevrolet | Silverado 1500 | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006–2008 | Chevrolet | Silverado 1500 | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007 | Chevrolet | Silverado 1500 Classic | — | Engine: 4.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007 | Chevrolet | Silverado 1500 Classic | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007 | Chevrolet | Silverado 1500 Classic | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2003, 2005–2006 | Chevrolet | Silverado 1500 HD | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1999–2004 | Chevrolet | Silverado 2500 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2006, 2008–2014, 2016–2019 | Chevrolet | Silverado 2500 HD | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2006 | Chevrolet | Silverado 2500 HD | — | Engine: 8.1 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007, 2015 | Chevrolet | Silverado 2500 HD | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007 | Chevrolet | Silverado 2500 HD Classic | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2006 | Chevrolet | Silverado 3500 | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2006 | Chevrolet | Silverado 3500 | — | Engine: 8.1 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007–2014, 2016–2019 | Chevrolet | Silverado 3500 HD | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2015 | Chevrolet | Silverado 3500 HD | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2014, 2016–2017 | Chevrolet | SS | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2015 | Chevrolet | SS | — | Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005–2006 | Chevrolet | SSR | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2000–2014 | Chevrolet | Suburban 1500 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2000–2013 | Chevrolet | Suburban 2500 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2016–2017, 2019 | Chevrolet | Suburban 3500 HD | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2018 | Chevrolet | Suburban 3500 HD | — | Fuel Type: Flex; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2007, 2009–2014 | Chevrolet | Tahoe | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2008 | Chevrolet | Tahoe | — | Engine: 4.8 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2008 | Chevrolet | Tahoe | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1999 | Chevrolet | Tahoe | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2008 | Chevrolet | Tahoe | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2000 | Chevrolet | Tahoe | — | Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2009 | Chevrolet | Trailblazer | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006–2008 | Chevrolet | Trailblazer | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005 | Chevrolet | Trailblazer EXT | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005, 2007–2008 | Chevrolet | Uplander | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006 | Chevrolet | Uplander | — | Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2009 | Chevrolet | Uplander | — | Gap 0.044 |
| 1997–2005 | Chevrolet | Venture | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986–1987 | Ford | Aerostar | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988–1997 | Ford | Aerostar | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1984, 1987–1990 | Ford | Bronco II | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1985 | Ford | Bronco II | — | Engine: 2.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986 | Ford | Bronco II | — | Engine: 2.9 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1995–1996 | Ford | Contour | — | Engine: 2.5 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997–2000 | Ford | Contour | — | Engine: 2.5 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988–1991 | Ford | Country Squire | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987 | Ford | Country Squire | — | Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1981–1982 | Ford | Courier | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1979 | Ford | Courier | — | Engine: 2.0 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1977–1980 | Ford | Courier | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2010 | Ford | Crown Victoria | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1995, 2011 | Ford | Crown Victoria | — | Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2013 | Ford | E-150 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003–2005, 2008 | Ford | E-150 | — | Engine: 4.6 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2014 | Ford | E-150 | — | Engine: 5.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2009–2012 | Ford | E-150 | — | Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006–2007 | Ford | E-150 | — | Engine: 4.6 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2004–2005 | Ford | E-150 Club Wagon | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003 | Ford | E-150 Club Wagon | — | Engine: 4.6 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003 | Ford | E-150 Club Wagon | — | Engine: 5.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997 | Ford | E-150 Econoline | — | Engine: 4.2 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997–2002 | Ford | E-150 Econoline | — | Engine: 4.6 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997 | Ford | E-150 Econoline | — | Engine: 5.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997 | Ford | E-150 Econoline Club Wagon | — | Engine: 4.2 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997–2002 | Ford | E-150 Econoline Club Wagon | — | Engine: 4.6 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997–2002 | Ford | E-150 Econoline Club Wagon | — | Engine: 5.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2010–2013 | Ford | E-250 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003, 2006–2009 | Ford | E-250 | — | Engine: 4.6 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2014 | Ford | E-250 | — | Engine: 5.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003 | Ford | E-250 | — | Fuel Type: CNG; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997 | Ford | E-250 Econoline | — | Engine: 4.2 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1998–1999 | Ford | E-250 Econoline | — | Fuel Type: Bi-Fuel; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997–2002 | Ford | E-250 Econoline | — | Fuel Type: CNG; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005 | Ford | E-350 Club Wagon | — | Engine: 6.8 V10; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003–2005 | Ford | E-350 Club Wagon | — | Engine: 5.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997 | Ford | E-350 Econoline | — | Engine: 6.8 V10; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997 | Ford | E-350 Econoline | — | Engine: 5.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1998 | Ford | E-350 Econoline | — | Fuel Type: Bi-Fuel; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1998 | Ford | E-350 Econoline | — | Fuel Type: CNG; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997, 1999–2002 | Ford | E-350 Econoline Club Wagon | — | Engine: 6.8 V10; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997–2002 | Ford | E-350 Econoline Club Wagon | — | Engine: 5.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2013–2014, 2016–2019 | Ford | E-350 Super Duty | — | Engine: 6.8 V10; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2013–2014, 2016 | Ford | E-350 Super Duty | — | Engine: 5.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1999–2004 | Ford | E-350 Super Duty | — | Fuel Type: CNG; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2010–2012, 2015 | Ford | E-350 Super Duty | — | Engine: 6.8 V10; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2009–2012, 2015 | Ford | E-350 Super Duty | — | Engine: 5.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2010–2014, 2016–2019 | Ford | E-450 Super Duty | — | Engine: 6.8 V10; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2010–2016 | Ford | E-450 Super Duty | — | Engine: 5.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2015 | Ford | E-450 Super Duty | — | Engine: 6.8 V10; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2002 | Ford | E-550 Econoline Super Duty | — | Engine: 6.8 V10; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997 | Ford | Econoline Super Duty | — | Engine: 6.8 V10; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997–1999 | Ford | Econoline Super Duty | — | Engine: 5.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005–2006 | Ford | Escape | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2006, 2011–2012 | Ford | Escape | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007–2008 | Ford | Escape | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007, 2009–2010 | Ford | Escape | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2008 | Ford | Escape | — | Engine: 3.0 V6; Gap 0.044 |
| 1985, 1991–1992 | Ford | Escort | — | Engine: 1.9 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1993 | Ford | Escort | — | Engine: 1.9 L4; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997, 2002 | Ford | Expedition | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1998–2001, 2003–2004 | Ford | Expedition | — | Engine: 4.6 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1991–1995 | Ford | Explorer | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2000, 2002–2005 | Ford | Explorer | — | Engine: 4.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2002–2005 | Ford | Explorer | — | Engine: 4.6 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2000 | Ford | Explorer | — | Engine: 5.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001 | Ford | Explorer | — | Engine: 4.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001 | Ford | Explorer | — | Engine: 5.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2003, 2005 | Ford | Explorer Sport Trac | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2004 | Ford | Explorer Sport Trac | — | Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1982–1983 | Ford | F-100 | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997 | Ford | F-150 | — | Engine: 4.2 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997–2004, 2006–2008 | Ford | F-150 | — | Engine: 4.6 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1998, 2001–2003 | Ford | F-150 | — | Fuel Type: CNG; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005 | Ford | F-150 | — | Engine: 4.6 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2004 | Ford | F-150 Heritage | — | Engine: 4.6 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2004 | Ford | F-150 Heritage | — | Fuel Type: CNG; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997 | Ford | F-250 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1998–1999 | Ford | F-250 | — | Engine: 4.6 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1998–1999 | Ford | F-250 | — | Fuel Type: CNG; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1978–1983 | Ford | Fairmont | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005–2007 | Ford | Five Hundred | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005–2007 | Ford | Focus | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2008–2010 | Ford | Focus | — | Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2011 | Ford | Focus | — | Gap 0.044, Qty 2 Per Cyl., Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2004–2007 | Ford | Freestar | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006–2007 | Ford | Freestyle | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005 | Ford | Freestyle | — | Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007, 2011–2012 | Ford | Fusion | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006, 2008–2010 | Ford | Fusion | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1981–1982 | Ford | Granada | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1982 | Ford | Granada | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1983–1984 | Ford | LTD | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1983–1984 | Ford | LTD | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1985–1986 | Ford | LTD | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1985–1986 | Ford | LTD | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986 | Ford | LTD | — | Engine: 5.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987–1989 | Ford | LTD Crown Victoria | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1990–1991 | Ford | LTD Crown Victoria | — | Engine: 5.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1979–1980, 1982, 1986 | Ford | Mustang | — | Aspiration: Normal; Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1979 | Ford | Mustang | — | Engine: 2.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1983–1984, 1986, 1994–2003 | Ford | Mustang | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003 | Ford | Mustang | — | Aspiration: Normal; Engine: 4.6 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2002 | Ford | Mustang | — | Engine: 4.6 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986 | Ford | Mustang | — | Engine: 5.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2000, 2007–2012 | Ford | Mustang | — | Engine: 5.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1981, 1985 | Ford | Mustang | — | Aspiration: Normal; Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987–1990 | Ford | Mustang | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1985, 2004 | Ford | Mustang | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2004 | Ford | Mustang | — | Engine: 3.9 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2004 | Ford | Mustang | — | Aspiration: Normal; Engine: 4.6 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1974–1978 | Ford | Mustang II | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1977–1978 | Ford | Mustang II | — | Engine: 2.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1980 | Ford | Pinto | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1974–1979 | Ford | Pinto | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1977–1979 | Ford | Pinto | — | Engine: 2.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1991–1992 | Ford | Probe | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1990 | Ford | Probe | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986–1987 | Ford | Ranger | — | Aspiration: Normal; Cylinder Head Type: SOHC; Fuel Delivery Type: FI; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1985 | Ford | Ranger | — | Aspiration: Normal; Fuel Delivery Type: FI; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1985–1987 | Ford | Ranger | — | Aspiration: Turbo; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1985 | Ford | Ranger | — | Cylinder Head Type: SOHC; Fuel Delivery Type: CARB; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1983–1984, 1988 | Ford | Ranger | — | Engine: 2.0 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988, 2007–2011 | Ford | Ranger | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986–1987 | Ford | Ranger | — | Fuel Delivery Type: CARB; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1985–1987 | Ford | Ranger | — | Cylinder Head Type: OHV; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988–1992 | Ford | Ranger | — | Engine: 2.9 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1991–1997, 2007–2008 | Ford | Ranger | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1990–1997 | Ford | Ranger | — | Engine: 4.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2002 | Ford | Ranger | — | Engine: 2.3 L4; Fuel Type: Gas; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003–2006 | Ford | Ranger | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1998–2002 | Ford | Ranger | — | Engine: 3.0 V6; Fuel Type: Gas; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003–2006 | Ford | Ranger | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1998–2000 | Ford | Ranger | — | Engine: 4.0 V6; Fuel Type: Gas; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1999–2002 | Ford | Ranger | — | Fuel Type: Flex; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1994–1997 | Ford | Ranger | — | Engine: 2.3 L4; Gap 0.044, Qty 2 Per Cyl., Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1998–2001 | Ford | Ranger | — | Engine: 2.5 L4; Fuel Type: Gas; Gap 0.044, Qty 2 Per Cyl., Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2000–2007 | Ford | Taurus | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1989 | Ford | Taurus | — | Cylinder Head Type: OHV; Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1999 | Ford | Taurus | — | Cylinder Head Type: OHV; Fuel Type: Gas; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1999 | Ford | Taurus | — | Engine VIN: S; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1989 | Ford | Taurus | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1999 | Ford | Taurus | — | Fuel Type: Flex; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1999 | Ford | Taurus | — | Engine VIN: N; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1993–1995 | Ford | Taurus | — | Cylinder Head Type: OHV; Engine: 3.0 V6; Fuel Type: Gas; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1990–1992 | Ford | Taurus | — | Cylinder Head Type: OHV; Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988 | Ford | Taurus | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988, 1990–1995 | Ford | Taurus | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988–1989 | Ford | Tempo | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1985–1986 | Ford | Tempo | — | Engine VIN: X; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1984, 1992 | Ford | Tempo | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1992 | Ford | Tempo | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1990–1991 | Ford | Tempo | — | Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987 | Ford | Tempo | — | Engine VIN: X; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1993–1994 | Ford | Tempo | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1993–1994 | Ford | Tempo | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1982–1988, 1996–1997 | Ford | Thunderbird | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1997 | Ford | Thunderbird | — | Engine: 4.6 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986–1988 | Ford | Thunderbird | — | Engine: 5.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2010, 2013 | Ford | Transit Connect | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2011–2012 | Ford | Transit Connect | — | Fuel Type: Gas; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1995–2003 | Ford | Windstar | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1998 | GMC | C1500 | — | Engine: 4.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1999 | GMC | C1500 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1998 | GMC | C1500 | — | Engine: 5.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1998 | GMC | C1500 | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1999 | GMC | C1500 Suburban | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1998 | GMC | C2500 | — | Engine: 5.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2000 | GMC | C2500 | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2000 | GMC | C2500 | — | Engine: 7.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1999 | GMC | C2500 Suburban | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1999 | GMC | C2500 Suburban | — | Engine: 7.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2000 | GMC | C3500 | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2000 | GMC | C3500 | — | Engine: 7.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2000 | GMC | C3500HD | — | Engine: 7.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2009, 2012 | GMC | Canyon | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005 | GMC | Envoy | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003–2005 | GMC | Envoy XL | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2004–2005 | GMC | Envoy XUV | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2001, 2005 | GMC | Jimmy | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1998 | GMC | K1500 | — | Engine: 4.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1999 | GMC | K1500 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1998 | GMC | K1500 | — | Engine: 5.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1998 | GMC | K1500 | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1999 | GMC | K1500 Suburban | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1998 | GMC | K2500 | — | Engine: 5.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2000 | GMC | K2500 | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2000 | GMC | K2500 | — | Engine: 7.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1999 | GMC | K2500 Suburban | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1999 | GMC | K2500 Suburban | — | Engine: 7.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2000 | GMC | K3500 | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2000 | GMC | K3500 | — | Engine: 7.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1998–1999 | GMC | P3500 | — | Engine: 4.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997 | GMC | P3500 | — | Engine ID: L29; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1998–1999 | GMC | P3500 | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1998–1999 | GMC | P3500 | — | Engine: 7.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996 | GMC | P3500 | — | Engine: 4.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2005 | GMC | Safari | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2006, 2009–2010, 2012–2013 | GMC | Savana 1500 | — | Engine: 4.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2002 | GMC | Savana 1500 | — | Engine: 5.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003–2005, 2009–2010, 2012–2014 | GMC | Savana 1500 | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2002 | GMC | Savana 1500 | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007–2008, 2011 | GMC | Savana 1500 | — | Engine: 4.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007, 2011 | GMC | Savana 1500 | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2005 | GMC | Savana 2500 | — | Engine: 4.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003–2010, 2012–2014, 2016–2017 | GMC | Savana 2500 | — | Engine: 4.8 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2002 | GMC | Savana 2500 | — | Engine: 5.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003–2005 | GMC | Savana 2500 | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2002 | GMC | Savana 2500 | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003–2010, 2012–2014, 2016–2017 | GMC | Savana 2500 | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2011, 2015 | GMC | Savana 2500 | — | Engine: 4.8 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2011, 2015 | GMC | Savana 2500 | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2004–2005 | GMC | Savana 3500 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006, 2008–2010, 2012–2014, 2016–2017 | GMC | Savana 3500 | — | Engine: 4.8 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2002 | GMC | Savana 3500 | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003, 2006, 2008–2010, 2012–2014, 2016–2017 | GMC | Savana 3500 | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2000 | GMC | Savana 3500 | — | Engine: 7.4 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2002 | GMC | Savana 3500 | — | Engine: 8.1 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007, 2011, 2015 | GMC | Savana 3500 | — | Engine: 4.8 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007, 2011, 2015 | GMC | Savana 3500 | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2009–2014, 2016 | GMC | Savana 4500 | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2015 | GMC | Savana 4500 | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1999–2001, 2011–2013 | GMC | Sierra 1500 | — | Engine: 4.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1999–2001, 2011–2013 | GMC | Sierra 1500 | — | Engine: 4.8 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1999–2001, 2011–2013 | GMC | Sierra 1500 | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2011–2013 | GMC | Sierra 1500 | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2011–2013 | GMC | Sierra 1500 | — | Engine: 6.2 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2002–2010 | GMC | Sierra 1500 | — | Engine: 4.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2002–2010 | GMC | Sierra 1500 | — | Engine: 4.8 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2002–2010 | GMC | Sierra 1500 | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2002–2010 | GMC | Sierra 1500 | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007–2010 | GMC | Sierra 1500 | — | Engine: 6.2 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007 | GMC | Sierra 1500 Classic | — | Engine: 4.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007 | GMC | Sierra 1500 Classic | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007 | GMC | Sierra 1500 Classic | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2003, 2005–2006 | GMC | Sierra 1500 HD | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1999–2004 | GMC | Sierra 2500 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2006, 2008–2012, 2014, 2016, 2019 | GMC | Sierra 2500 HD | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2006 | GMC | Sierra 2500 HD | — | Engine: 8.1 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2017–2018 | GMC | Sierra 2500 HD | — | Fuel Type: Flex; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007, 2013, 2015 | GMC | Sierra 2500 HD | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007 | GMC | Sierra 2500 HD Classic | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2006 | GMC | Sierra 3500 | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2006 | GMC | Sierra 3500 | — | Engine: 8.1 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007–2014, 2016–2019 | GMC | Sierra 3500 HD | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2015 | GMC | Sierra 3500 HD | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2003 | GMC | Sonoma | — | Engine: 2.2 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2004 | GMC | Sonoma | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2003 | GMC | Sonoma | — | Engine: 4.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1992, 1998–2014 | GMC | Yukon | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2000, 2009–2014 | GMC | Yukon XL 1500 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007–2008 | GMC | Yukon XL 1500 | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007–2008 | GMC | Yukon XL 1500 | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2006 | GMC | Yukon XL 1500 | — | Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2000–2013 | GMC | Yukon XL 2500 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003–2009 | Hummer | H2 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2010 | Hummer | H3 | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2008–2009 | Hummer | H3 | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2009–2010 | Hummer | H3T | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003–2004 | Isuzu | Ascender | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005 | Isuzu | Ascender | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996 | Isuzu | Hombre | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997–2000 | Isuzu | Hombre | — | Engine: 2.2 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997–2000 | Isuzu | Hombre | — | Engine: 4.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2000–2004, 2006–2007 | Jaguar | S-Type | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005, 2008 | Jaguar | S-Type | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2002–2007 | Jaguar | X-Type | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2008 | Jaguar | X-Type | — | Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003–2005 | Lincoln | Aviator | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2002 | Lincoln | Blackwood | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988–1994 | Lincoln | Continental | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1982 | Lincoln | Continental | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986–1987, 1995–2002 | Lincoln | Continental | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2000–2004 | Lincoln | LS | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005 | Lincoln | LS | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986–1989 | Lincoln | Mark VII | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1998 | Lincoln | Mark VIII | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2004 | Lincoln | Navigator | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986–1990, 1995–2011 | Lincoln | Town Car | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006 | Lincoln | Zephyr | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2004 | Mazda | 3 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005 | Mazda | 3 | — | Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006–2007 | Mazda | 5 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003–2005 | Mazda | 6 | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2004–2008 | Mazda | 6 | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2004–2005, 2007–2008 | Mazda | B2300 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1998, 2000–2001 | Mazda | B2500 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1999 | Mazda | B2500 | — | Gap 0.044, Qty 2 Per Cyl., Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1998, 2005–2007 | Mazda | B3000 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2003 | Mazda | B3000 | — | Fuel Type: Gas; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1999 | Mazda | B3000 | — | Fuel Type: Gas; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997–2005 | Mazda | B4000 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2000–2001, 2004–2006 | Mazda | MPV | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2002–2003 | Mazda | MPV | — | Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2008 | Mazda | Tribute | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003–2004, 2008 | Mazda | Tribute | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005–2006 | Mazda | Tribute | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2002, 2005–2006 | Mazda | Tribute | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1984–1985 | Mercedes-Benz | 190E | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988 | Mercedes-Benz | 190E | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1989–1990 | Mercedes-Benz | 190E | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988 | Mercedes-Benz | 190E | — | Engine: 2.6 L6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986 | Mercedes-Benz | 190E | — | Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987 | Mercedes-Benz | 190E | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987, 1991–1993 | Mercedes-Benz | 190E | — | Engine: 2.6 L6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987–1989 | Mercedes-Benz | 260E | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988–1989, 1991 | Mercedes-Benz | 300CE | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986–1992 | Mercedes-Benz | 300E | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1993 | Mercedes-Benz | 300E | — | Engine: 2.8 L6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1993 | Mercedes-Benz | 300E | — | Engine: 3.0 L6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988–1991 | Mercedes-Benz | 300SE | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988–1991 | Mercedes-Benz | 300SEL | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988–1992 | Mercedes-Benz | 300TE | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1993 | Mercedes-Benz | 300TE | — | Engine: 3.0 L6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1980 | Mercury | Bobcat | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1975–1979 | Mercury | Bobcat | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1975–1979 | Mercury | Bobcat | — | Engine: 2.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1983–1984 | Mercury | Capri | — | Aspiration: Normal; Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1979–1982, 1986 | Mercury | Capri | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1979 | Mercury | Capri | — | Engine: 2.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1983–1984, 1986 | Mercury | Capri | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986 | Mercury | Capri | — | Engine: 5.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1985 | Mercury | Capri | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1985 | Mercury | Capri | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987–1991 | Mercury | Colony Park | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1981 | Mercury | Cougar | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1989–1990 | Mercury | Cougar | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1982–1984, 1986–1988, 1996–1997 | Mercury | Cougar | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1997 | Mercury | Cougar | — | Engine: 4.6 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986–1988 | Mercury | Cougar | — | Engine: 5.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1999–2002 | Mercury | Cougar | — | Engine: 2.5 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1985, 1991–1995 | Mercury | Cougar | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1990–1991, 1995–2007, 2010–2011 | Mercury | Grand Marquis | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986–1989 | Mercury | Grand Marquis | — | Engine: 5.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2008–2009 | Mercury | Grand Marquis | — | Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1982 | Mercury | Lynx | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1985 | Mercury | Lynx | — | Engine: 1.9 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1983–1984, 1986 | Mercury | Lynx | — | Fuel Delivery Type: CARB; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987 | Mercury | Lynx | — | Engine VIN: 9; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2003–2004 | Mercury | Marauder | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007 | Mercury | Mariner | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007, 2011 | Mercury | Mariner | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005–2006, 2008 | Mercury | Mariner | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005–2006, 2008–2010 | Mercury | Mariner | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1983–1986 | Mercury | Marquis | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1983–1986 | Mercury | Marquis | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006–2010 | Mercury | Milan | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2011 | Mercury | Milan | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005–2007 | Mercury | Montego | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2004–2007 | Mercury | Monterey | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1998–2006 | Mercury | Mountaineer | — | Engine: 4.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997 | Mercury | Mountaineer | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2002–2005 | Mercury | Mountaineer | — | Engine: 4.6 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1998–2001 | Mercury | Mountaineer | — | Engine: 5.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1995, 1997, 1999–2000 | Mercury | Mystique | — | Engine: 2.5 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996, 1998 | Mercury | Mystique | — | Engine: 2.5 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988–2005 | Mercury | Sable | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988–1991 | Mercury | Topaz | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1985–1986 | Mercury | Topaz | — | Engine VIN: X; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987 | Mercury | Topaz | — | Engine VIN: X; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1992–1994 | Mercury | Topaz | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1992–1994 | Mercury | Topaz | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1991–1993 | Mercury | Tracer | — | Engine: 1.9 L4; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1978–1983 | Mercury | Zephyr | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988–1989 | Merkur | Scorpio | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1992–1999 | Oldsmobile | 88 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986–1996 | Oldsmobile | 98 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1995 | Oldsmobile | Achieva | — | Engine: 2.3 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1998 | Oldsmobile | Achieva | — | Engine: 2.4 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1995–1998 | Oldsmobile | Achieva | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1994 | Oldsmobile | Achieva | — | Engine VIN: D; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1992–1994 | Oldsmobile | Achieva | — | Cylinder Head Type: OHV; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1999–2001 | Oldsmobile | Alero | — | Engine: 2.4 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1999–2003 | Oldsmobile | Alero | — | Engine: 3.4 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2004 | Oldsmobile | Alero | — | Engine: 3.4 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2002 | Oldsmobile | Aurora | — | Engine: 3.5 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1995–1999, 2003 | Oldsmobile | Aurora | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2002 | Oldsmobile | Aurora | — | Engine: 4.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2001 | Oldsmobile | Bravada | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1985–1987 | Oldsmobile | Calais | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997–1999 | Oldsmobile | Cutlass | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1991 | Oldsmobile | Cutlass Calais | — | Engine VIN: N; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988 | Oldsmobile | Cutlass Calais | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1989–1990 | Oldsmobile | Cutlass Calais | — | Engine VIN: N; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1995–1996 | Oldsmobile | Cutlass Ciera | — | Engine: 2.2 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1990 | Oldsmobile | Cutlass Ciera | — | Engine VIN: N; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1995–1996 | Oldsmobile | Cutlass Ciera | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1991–1992 | Oldsmobile | Cutlass Ciera | — | Engine: 3.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986 | Oldsmobile | Cutlass Ciera | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1993–1994 | Oldsmobile | Cutlass Ciera | — | Engine: 2.2 L4; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1989 | Oldsmobile | Cutlass Ciera | — | Engine VIN: N; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1989 | Oldsmobile | Cutlass Ciera | — | Engine VIN: W; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987–1988 | Oldsmobile | Cutlass Ciera | — | Engine: 2.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1994 | Oldsmobile | Cutlass Ciera | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1993 | Oldsmobile | Cutlass Ciera | — | Engine: 3.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987–1988 | Oldsmobile | Cutlass Ciera | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1993–1994 | Oldsmobile | Cutlass Cruiser | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1990–1992 | Oldsmobile | Cutlass Cruiser | — | Engine: 3.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987–1989 | Oldsmobile | Cutlass Cruiser | — | Engine: 2.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1989 | Oldsmobile | Cutlass Cruiser | — | Engine: 3.3 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987–1988 | Oldsmobile | Cutlass Cruiser | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1997 | Oldsmobile | Cutlass Supreme | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1992, 1994–1995 | Oldsmobile | Cutlass Supreme | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1989 | Oldsmobile | Cutlass Supreme | — | Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1990 | Oldsmobile | Cutlass Supreme | — | Cylinder Head Type: OHV; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988 | Oldsmobile | Cutlass Supreme | — | Engine: 2.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1991, 1993 | Oldsmobile | Cutlass Supreme | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986–1991 | Oldsmobile | Delta 88 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988 | Oldsmobile | Firenza | — | Cylinder Head Type: OHV; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987 | Oldsmobile | Firenza | — | Engine VIN: 1; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1998–2002 | Oldsmobile | Intrigue | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1999 | Oldsmobile | LSS | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1997–1998 | Oldsmobile | Regency | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1995–2004 | Oldsmobile | Silhouette | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1992–1994 | Oldsmobile | Silhouette | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1986–1992 | Oldsmobile | Toronado | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1989 | Pontiac | 6000 | — | Engine: 2.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1989–1991 | Pontiac | 6000 | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987–1988 | Pontiac | 6000 | — | Engine: 2.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988 | Pontiac | 6000 | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2005 | Pontiac | Aztek | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987, 1989–2003 | Pontiac | Bonneville | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988 | Pontiac | Bonneville | — | Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2004–2005 | Pontiac | Bonneville | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2004–2005 | Pontiac | Bonneville | — | Engine: 4.6 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1991–1992 | Pontiac | Firebird | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1995–2000 | Pontiac | Firebird | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1993–2000 | Pontiac | Firebird | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2002 | Pontiac | Firebird | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2001–2002 | Pontiac | Firebird | — | Engine: 5.7 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005 | Pontiac | G6 | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006–2009 | Pontiac | G6 | — | Engine: 3.5 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006–2009 | Pontiac | G6 | — | Engine: 3.9 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2010 | Pontiac | G6 | — | Engine: 3.5 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2008–2009 | Pontiac | G8 | — | Engine: 6.0 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2009 | Pontiac | G8 | — | Engine: 6.2 V8; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2001 | Pontiac | Grand Am | — | Engine: 2.4 L4; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1992–1993 | Pontiac | Grand Am | — | Cylinder Head Type: OHV; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1985–1986 | Pontiac | Grand Am | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1995–1997 | Pontiac | Grand Am | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1999–2003 | Pontiac | Grand Am | — | Engine: 3.4 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1994 | Pontiac | Grand Am | — | Cylinder Head Type: OHV; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1987 | Pontiac | Grand Am | — | Engine: 3.0 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2004–2005 | Pontiac | Grand Am | — | Engine: 3.4 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1997, 1999–2004 | Pontiac | Grand Prix | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1992–1995 | Pontiac | Grand Prix | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1998 | Pontiac | Grand Prix | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1988 | Pontiac | Grand Prix | — | Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1989–1990 | Pontiac | Grand Prix | — | Aspiration: Normal; Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1989 | Pontiac | Grand Prix | — | Engine: 2.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1991 | Pontiac | Grand Prix | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005–2008 | Pontiac | Grand Prix | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005–2008 | Pontiac | Grand Prix | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1998 | Pontiac | Grand Prix | — | Engine: 3.1 V6; Gap 0.044 |
| 2004–2006 | Pontiac | GTO | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1999–2006 | Pontiac | Montana | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007–2009 | Pontiac | Montana | — | Gap 0.044 |
| 1991–1994 | Pontiac | Sunbird | — | Engine: 3.1 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–2001 | Pontiac | Sunfire | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2002 | Pontiac | Sunfire | — | Cylinder Head Type: OHV; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2002 | Pontiac | Sunfire | — | Engine ID: LD9; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1995 | Pontiac | Sunfire | — | Engine: 2.2 L4; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2006–2007 | Pontiac | Torrent | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2008–2009 | Pontiac | Torrent | — | Engine: 3.4 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1996–1998 | Pontiac | Trans Sport | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 1992–1995 | Pontiac | Trans Sport | — | Engine: 3.8 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005 | Saab | 9-7x | — | Engine: 5.3 V8; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2008 | Saturn | Aura | — | Engine: 3.5 V6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2007 | Saturn | Aura | — | Engine: 3.5 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2005–2007 | Saturn | Relay | — | Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
| 2008–2009 | Saturn | Vue | — | Engine: 3.5 V6; Gap 0.044, Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) |
Source: supplier-verified applications for Denso IT16#4. A vehicle not listed is not confirmed compatible.
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