NGK Spark Plug 2635
Spark Plug, GR4 NGK, V-Power
Confirm year, make, model, engine and drivetrain before ordering.
Verified Vehicle Fitment
Make: American Motors, Bentley, Buick, Cadillac, Checker, Chevrolet, Chrysler, Dodge, GMC, International, Jeep, Mercury, Oldsmobile, Plymouth, Pontiac, Rolls-Royce
Model: 270 verified models — see exact combinations below.
Years: 1955–1995 — 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 (881 configuration groups)
| Years | Make | Model | Position | Engine / transmission / notes |
|---|---|---|---|---|
| 1966–1967 | American Motors | Ambassador | — | Engine: 3.3 L6; Gap 0.035in |
| 1965–1970 | American Motors | Ambassador | — | Engine: 3.8 L6; Gap 0.035in |
| 1971 | American Motors | Ambassador | — | Engine: 4.2 L6; Gap 0.035in |
| 1968–1969 | American Motors | Ambassador | — | Engine: 4.8 V8; Gap 0.035in |
| 1970–1974 | American Motors | Ambassador | — | Engine: 5.0 V8; Gap 0.035in |
| 1967–1969 | American Motors | Ambassador | — | Engine: 5.6 V8; Gap 0.035in |
| 1970–1974 | American Motors | Ambassador | — | Engine: 5.9 V8; Gap 0.035in |
| 1968–1970 | American Motors | Ambassador | — | Engine: 6.4 V8; Gap 0.035in |
| 1971–1974 | American Motors | Ambassador | — | Engine: 6.6 V8; Gap 0.035in |
| 1966–1968 | American Motors | American | — | Engine: 3.3 L6; Gap 0.035in |
| 1964–1968 | American Motors | American | — | Engine: 3.8 L6; Gap 0.035in |
| 1966–1968 | American Motors | American | — | Engine: 4.7 V8; Gap 0.035in |
| 1967 | American Motors | American | — | Engine: 5.6 V8; Gap 0.035in |
| 1968–1969 | American Motors | AMX | — | Engine: 4.8 V8; Gap 0.035in |
| 1968–1969 | American Motors | AMX | — | Engine: 5.6 V8; Gap 0.035in |
| 1970 | American Motors | AMX | — | Engine: 5.9 V8; Gap 0.035in |
| 1968–1970 | American Motors | AMX | — | Engine: 6.4 V8; Gap 0.035in |
| 1978–1979 | American Motors | AMX | — | Engine: 5.0 V8; OE Equivalent Design, Gap 0.035in |
| 1965 | American Motors | Classic | — | Engine: 3.3 L6; Gap 0.035in |
| 1964–1966 | American Motors | Classic | — | Engine: 3.8 L6; Gap 0.035in |
| 1978–1979 | American Motors | Concord | — | Engine: 5.0 V8; Gap 0.035in |
| 1970 | American Motors | Gremlin | — | Engine: 3.3 L6; Gap 0.035in |
| 1970–1975 | American Motors | Gremlin | — | Engine: 3.8 L6; Gap 0.035in |
| 1971–1975 | American Motors | Gremlin | — | Engine: 4.2 L6; Gap 0.035in |
| 1972–1975 | American Motors | Gremlin | — | Engine: 5.0 V8; Gap 0.035in |
| 1976–1977 | American Motors | Gremlin | — | Engine: 3.8 L6; OE Equivalent Design, Gap 0.035in |
| 1976–1977 | American Motors | Gremlin | — | Engine: 4.2 L6; OE Equivalent Design, Gap 0.035in |
| 1976 | American Motors | Gremlin | — | Engine: 5.0 V8; OE Equivalent Design, Gap 0.035in |
| 1970 | American Motors | Hornet | — | Engine: 3.3 L6; Gap 0.035in |
| 1970–1977 | American Motors | Hornet | — | Engine: 3.8 L6; Gap 0.035in |
| 1971–1977 | American Motors | Hornet | — | Engine: 4.2 L6; Gap 0.035in |
| 1970–1977 | American Motors | Hornet | — | Engine: 5.0 V8; Gap 0.035in |
| 1971–1974 | American Motors | Hornet | — | Engine: 5.9 V8; Gap 0.035in |
| 1968–1974 | American Motors | Javelin | — | Engine: 3.8 L6; Gap 0.035in |
| 1971–1974 | American Motors | Javelin | — | Engine: 4.2 L6; Gap 0.035in |
| 1968–1969 | American Motors | Javelin | — | Engine: 4.7 V8; Gap 0.035in |
| 1970–1974 | American Motors | Javelin | — | Engine: 5.0 V8; Gap 0.035in |
| 1968–1969 | American Motors | Javelin | — | Engine: 5.6 V8; Gap 0.035in |
| 1970–1974 | American Motors | Javelin | — | Engine: 5.9 V8; Gap 0.035in |
| 1968–1970 | American Motors | Javelin | — | Engine: 6.4 V8; Gap 0.035in |
| 1971–1974 | American Motors | Javelin | — | Engine: 6.6 V8; Gap 0.035in |
| 1966–1967 | American Motors | Marlin | — | Engine: 3.3 L6; Gap 0.035in |
| 1965–1967 | American Motors | Marlin | — | Engine: 3.8 L6; Gap 0.035in |
| 1967 | American Motors | Marlin | — | Engine: 4.7 V8; Gap 0.035in |
| 1967 | American Motors | Marlin | — | Engine: 5.6 V8; Gap 0.035in |
| 1971–1974 | American Motors | Matador | — | Engine: 3.8 L6; Gap 0.035in |
| 1971–1975 | American Motors | Matador | — | Engine: 4.2 L6; Gap 0.035in |
| 1971–1975 | American Motors | Matador | — | Engine: 5.0 V8; Gap 0.035in |
| 1971–1975 | American Motors | Matador | — | Engine: 5.9 V8; Gap 0.035in |
| 1971–1975 | American Motors | Matador | — | Engine: 6.6 V8; Gap 0.035in |
| 1976–1977 | American Motors | Matador | — | Engine: 4.2 L6; OE Equivalent Design, Gap 0.035in |
| 1976–1977 | American Motors | Matador | — | Engine: 5.0 V8; OE Equivalent Design, Gap 0.035in |
| 1976–1978 | American Motors | Matador | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1976 | American Motors | Matador | — | Engine: 6.6 V8; OE Equivalent Design, Gap 0.035in |
| 1975–1977 | American Motors | Pacer | — | Gap 0.035in |
| 1978–1979 | American Motors | Pacer | — | Engine: 5.0 V8; Gap 0.035in |
| 1969 | American Motors | Rambler | — | Engine: 3.3 L6; Gap 0.035in |
| 1969 | American Motors | Rambler | — | Engine: 3.8 L6; Gap 0.035in |
| 1969 | American Motors | Rambler | — | Engine: 4.7 V8; Gap 0.035in |
| 1967 | American Motors | Rebel | — | Engine: 3.3 L6; Gap 0.035in |
| 1967–1970 | American Motors | Rebel | — | Engine: 3.8 L6; Gap 0.035in |
| 1967–1968 | American Motors | Rebel | — | Engine: 4.7 V8; Gap 0.035in |
| 1969 | American Motors | Rebel | — | Engine: 4.8 V8; Gap 0.035in |
| 1970 | American Motors | Rebel | — | Engine: 5.0 V8; Gap 0.035in |
| 1967–1969 | American Motors | Rebel | — | Engine: 5.6 V8; Gap 0.035in |
| 1970 | American Motors | Rebel | — | Engine: 5.9 V8; Gap 0.035in |
| 1969–1970 | American Motors | Rebel | — | Engine: 6.4 V8; Gap 0.035in |
| 1979 | American Motors | Spirit | — | Engine: 5.0 V8; OE Equivalent Design, Gap 0.035in |
| 1975–1979 | Bentley | Corniche | — | Gap 0.040in |
| 1971–1974 | Bentley | Corniche | — | Engine: 6.8 V8; Gap 0.040in |
| 1980, 1982–1983 | Bentley | Corniche | — | OE Equivalent Design, Gap 0.040in |
| 1981–1983 | Bentley | Mulsanne | — | OE Equivalent Design, Gap 0.040in |
| 1975–1976 | Bentley | T1 Series | — | Gap 0.040in |
| 1968–1970 | Bentley | T1 Series | — | Engine: 6.2 V8; Gap 0.040in |
| 1970–1974 | Bentley | T1 Series | — | Engine: 6.8 V8; Gap 0.040in |
| 1977–1979 | Bentley | T2 Series | — | Gap 0.040in |
| 1980 | Bentley | T2 Series | — | OE Equivalent Design, Gap 0.040in |
| 1968–1969 | Buick | Skylark | — | Engine: 4.1 L6; Gap 0.035in |
| 1968–1969 | Buick | Special | — | Engine: 4.1 L6; Gap 0.035in |
| 1968–1974 | Cadillac | Calais | — | Engine: 7.7 V8; Gap 0.035in |
| 1968–1974 | Cadillac | DeVille | — | Engine: 7.7 V8; Gap 0.035in |
| 1968–1969 | Cadillac | Eldorado | — | Engine: 7.7 V8; Gap 0.035in |
| 1970–1974 | Cadillac | Eldorado | — | Engine: 8.2 V8; Gap 0.035in |
| 1968–1974 | Cadillac | Fleetwood | — | Engine: 7.7 V8; Gap 0.035in |
| 1968 | Checker | Marathon | — | Engine: 3.8 L6; Gap 0.035in |
| 1969 | Checker | Marathon | — | Engine: 4.1 L6; Gap 0.035in |
| 1960–1961 | Chevrolet | Bel Air | — | Engine: 5.7 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1963–1965 | Chevrolet | Bel Air | — | Engine: 3.8 L6; Gap 0.035in |
| 1965–1969 | Chevrolet | Bel Air | — | Engine: 4.1 L6; Gap 0.035in |
| 1958–1959 | Chevrolet | Bel Air | — | Engine: 5.7 V8; Gap 0.035in |
| 1969 | Chevrolet | Bel Air | — | Engine: 7.0 V8; Gap 0.035in |
| 1958 | Chevrolet | Biscayne | — | Engine: 5.7 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1963–1965 | Chevrolet | Biscayne | — | Engine: 3.8 L6; Gap 0.035in |
| 1965–1969 | Chevrolet | Biscayne | — | Engine: 4.1 L6; Gap 0.035in |
| 1959–1961 | Chevrolet | Biscayne | — | Engine: 5.7 V8; Gap 0.035in |
| 1969 | Chevrolet | Biscayne | — | Engine: 7.0 V8; Gap 0.035in |
| 1969 | Chevrolet | Blazer | — | Engine: 4.1 L6; Gap 0.035in |
| 1969 | Chevrolet | Brookwood | — | Engine: 4.1 L6; Gap 0.035in |
| 1963–1966 | Chevrolet | C10 Pickup | — | Engine: 3.8 L6; Gap 0.035in |
| 1966–1969 | Chevrolet | C10 Pickup | — | Engine: 4.1 L6; Gap 0.035in |
| 1968–1969 | Chevrolet | C10 Suburban | — | Engine: 4.1 L6; Gap 0.035in |
| 1963–1965 | Chevrolet | C20 Pickup | — | Engine: 3.8 L6; Gap 0.035in |
| 1966–1969 | Chevrolet | C20 Pickup | — | Engine: 4.1 L6; Gap 0.035in |
| 1968–1969 | Chevrolet | C20 Suburban | — | Engine: 4.1 L6; Gap 0.035in |
| 1964–1965 | Chevrolet | C30 Pickup | — | Engine: 3.8 L6; Gap 0.035in |
| 1966–1969 | Chevrolet | C30 Pickup | — | Engine: 4.1 L6; Gap 0.035in |
| 1967–1969 | Chevrolet | Camaro | — | Engine: 3.8 L6; Gap 0.035in |
| 1967–1969 | Chevrolet | Camaro | — | Engine: 4.1 L6; Gap 0.035in |
| 1967–1969 | Chevrolet | Caprice | — | Engine: 4.1 L6; Gap 0.035in |
| 1969 | Chevrolet | Caprice | — | Engine: 7.0 V8; Gap 0.035in |
| 1964–1966 | Chevrolet | Chevelle | — | Engine: 3.2 L6; Gap 0.035in |
| 1964–1969 | Chevrolet | Chevelle | — | Engine: 3.8 L6; Gap 0.035in |
| 1967–1969 | Chevrolet | Chevelle | — | Engine: 4.1 L6; Gap 0.035in |
| 1962–1968 | Chevrolet | Chevy II | — | Engine: 2.5 L4; Gap 0.035in |
| 1962–1967 | Chevrolet | Chevy II | — | Engine: 3.2 L6; Gap 0.035in |
| 1964–1966, 1968 | Chevrolet | Chevy II | — | Engine: 3.8 L6; Gap 0.035in |
| 1967–1968 | Chevrolet | Chevy II | — | Engine: 4.1 L6; Gap 0.035in |
| 1964–1965 | Chevrolet | El Camino | — | Engine: 3.2 L6; Gap 0.035in |
| 1964–1969 | Chevrolet | El Camino | — | Engine: 3.8 L6; Gap 0.035in |
| 1967–1969 | Chevrolet | El Camino | — | Engine: 4.1 L6; Gap 0.035in |
| 1959–1960 | Chevrolet | El Camino | — | Engine: 5.7 V8; Gap 0.035in |
| 1964–1965 | Chevrolet | G10 Van | — | Engine: 2.5 L4; Gap 0.035in |
| 1964–1966 | Chevrolet | G10 Van | — | Engine: 3.2 L6; Gap 0.035in |
| 1966–1969 | Chevrolet | G10 Van | — | Engine: 3.8 L6; Gap 0.035in |
| 1967–1969 | Chevrolet | G10 Van | — | Engine: 4.1 L6; Gap 0.035in |
| 1967–1969 | Chevrolet | G20 Van | — | Engine: 3.8 L6; Gap 0.035in |
| 1968–1969 | Chevrolet | G20 Van | — | Engine: 4.1 L6; Gap 0.035in |
| 1963–1965 | Chevrolet | Impala | — | Engine: 3.8 L6; Gap 0.035in |
| 1965–1969 | Chevrolet | Impala | — | Engine: 4.1 L6; Gap 0.035in |
| 1959–1961 | Chevrolet | Impala | — | Engine: 5.7 V8; Gap 0.035in |
| 1969 | Chevrolet | Impala | — | Engine: 7.0 V8; Gap 0.035in |
| 1964–1965, 1968–1969 | Chevrolet | K10 Pickup | — | Engine: 3.8 L6; Gap 0.035in |
| 1966–1969 | Chevrolet | K10 Pickup | — | Engine: 4.1 L6; Gap 0.035in |
| 1967–1969 | Chevrolet | K10 Suburban | — | Engine: 4.1 L6; Gap 0.035in |
| 1964–1965 | Chevrolet | K20 Pickup | — | Engine: 3.8 L6; Gap 0.035in |
| 1966–1969 | Chevrolet | K20 Pickup | — | Engine: 4.1 L6; Gap 0.035in |
| 1968–1969 | Chevrolet | K20 Suburban | — | Engine: 4.1 L6; Gap 0.035in |
| 1968–1969 | Chevrolet | K30 Pickup | — | Engine: 4.1 L6; Gap 0.035in |
| 1975–1979 | Chevrolet | LUV | — | Gap 0.035in |
| 1980–1981 | Chevrolet | LUV | — | OE Equivalent Design, Gap 0.035in |
| 1982 | Chevrolet | LUV | — | Engine: 1.8 L4; OE Equivalent Design, Gap 0.035in |
| 1972–1974 | Chevrolet | Luv Pickup | — | Engine: 1.8 L4; Gap 0.035in |
| 1959 | Chevrolet | Nomad | — | Engine: 5.7 V8; OE Equivalent Design, Gap 0.035in |
| 1970 | Chevrolet | Nova | — | Engine: 2.5 L4; Gap 0.035in |
| 1963–1965 | Chevrolet | P10 Series | — | Engine: 2.5 L4; Gap 0.035in |
| 1966 | Chevrolet | P10 Series | — | Engine: 3.2 L6; Gap 0.035in |
| 1963–1967 | Chevrolet | P10 Series | — | Engine: 3.8 L6; Gap 0.035in |
| 1968–1969 | Chevrolet | P10 Van | — | Engine: 3.8 L6; Gap 0.035in |
| 1968–1969 | Chevrolet | P10 Van | — | Engine: 4.1 L6; Gap 0.035in |
| 1963–1965 | Chevrolet | P20 Series | — | Engine: 3.8 L6; Gap 0.035in |
| 1966 | Chevrolet | P20 Series | — | Engine: 4.1 L6; Gap 0.035in |
| 1963–1965 | Chevrolet | P30 Series | — | Engine: 3.8 L6; Gap 0.035in |
| 1966 | Chevrolet | P30 Series | — | Engine: 4.1 L6; Gap 0.035in |
| 1963–1966 | Chevrolet | Suburban | — | Engine: 3.8 L6; Gap 0.035in |
| 1966 | Chevrolet | Suburban | — | Engine: 4.1 L6; Gap 0.035in |
| 1955 | Chrysler | 300 | — | Engine: 5.4 V8; Gap 0.035in |
| 1956 | Chrysler | 300 | — | Engine: 5.8 V8; Gap 0.035in |
| 1957–1958 | Chrysler | 300 | — | Engine: 6.4 V8; Gap 0.035in |
| 1979 | Chrysler | Cordoba | — | Gap 0.035in |
| 1975–1978 | Chrysler | Cordoba | — | Engine: 5.2 V8; Gap 0.035in |
| 1975–1978 | Chrysler | Cordoba | — | Engine: 5.9 V8; Gap 0.035in |
| 1980–1983 | Chrysler | Cordoba | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1988–1989 | Chrysler | Daytona | — | Gap 0.035in |
| 1992–1993 | Chrysler | Daytona | — | Engine: 2.2 L4; Gap 0.035in |
| 1990–1993 | Chrysler | Daytona | — | Engine: 2.5 L4; Gap 0.035in |
| 1985–1986 | Chrysler | Daytona | — | OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1987 | Chrysler | Daytona | — | Aspiration: Normal; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1987 | Chrysler | Daytona | — | Aspiration: Turbo; Sub Model: Base; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1990 | Chrysler | Daytona | — | Engine: 2.2 L4; Sub Model: Base; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1987 | Chrysler | Daytona | — | Sub Model: Pacifica; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1984 | Chrysler | Daytona | — | OE Equivalent Design, Gap 0.035in |
| 1988–1993 | Chrysler | Dynasty | — | Engine: 2.5 L4; Gap 0.035in |
| 1983–1984 | Chrysler | E Class | — | Engine: 2.2 L4; OE Equivalent Design, Gap 0.035in |
| 1988–1989 | Chrysler | Fifth Avenue | — | Gap 0.035in |
| 1985–1987 | Chrysler | Fifth Avenue | — | OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1984 | Chrysler | Fifth Avenue | — | OE Equivalent Design, Gap 0.035in |
| 1983 | Chrysler | Fifth Avenue | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1957–1958 | Chrysler | Imperial | — | Engine: 6.4 V8; Gap 0.035in |
| 1981–1982 | Chrysler | Imperial | — | OE Equivalent Design, Gap 0.035in |
| 1985–1986 | Chrysler | Laser | — | OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1984 | Chrysler | Laser | — | OE Equivalent Design, Gap 0.035in |
| 1988–1989 | Chrysler | LeBaron | — | Gap 0.035in |
| 1990 | Chrysler | LeBaron | — | Engine: 2.2 L4; Gap 0.035in |
| 1990–1994 | Chrysler | LeBaron | — | Engine: 2.5 L4; Gap 0.035in |
| 1977 | Chrysler | LeBaron | — | Gap 0.035in |
| 1978–1979 | Chrysler | LeBaron | — | Engine: 5.2 V8; Gap 0.035in |
| 1978–1979 | Chrysler | LeBaron | — | Engine: 5.9 V8; Gap 0.035in |
| 1986–1987 | Chrysler | LeBaron | — | OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1985 | Chrysler | LeBaron | — | Engine: 2.2 L4; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1982–1984 | Chrysler | LeBaron | — | Engine: 2.2 L4; OE Equivalent Design, Gap 0.035in |
| 1980–1981 | Chrysler | LeBaron | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1955 | Chrysler | Nassau | — | Engine: 4.9 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1988 | Chrysler | New Yorker | — | Engine: 2.2 L4; Gap 0.035in |
| 1979 | Chrysler | New Yorker | — | Gap 0.035in |
| 1956 | Chrysler | New Yorker | — | Engine: 5.8 V8; Gap 0.035in |
| 1977–1978 | Chrysler | New Yorker | — | Engine: 5.9 V8; Gap 0.035in |
| 1957–1958 | Chrysler | New Yorker | — | Engine: 6.4 V8; Gap 0.035in |
| 1986–1987 | Chrysler | New Yorker | — | OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1985 | Chrysler | New Yorker | — | Engine: 2.2 L4; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1983–1984 | Chrysler | New Yorker | — | Engine: 2.2 L4; OE Equivalent Design, Gap 0.035in |
| 1980–1981 | Chrysler | New Yorker | — | OE Equivalent Design, Gap 0.035in |
| 1982 | Chrysler | New Yorker | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1955 | Chrysler | Newport | — | Engine: 4.9 V8; Gap 0.035in |
| 1979 | Chrysler | Newport | — | Engine: 5.2 V8; Gap 0.035in |
| 1956 | Chrysler | Newport | — | Engine: 5.8 V8; Gap 0.035in |
| 1971–1979 | Chrysler | Newport | — | Engine: 5.9 V8; Gap 0.035in |
| 1957–1958 | Chrysler | Newport | — | Engine: 6.4 V8; Gap 0.035in |
| 1980–1981 | Chrysler | Newport | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1980 | Chrysler | Newport | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1956 | Chrysler | St Regis | — | Engine: 5.8 V8; Gap 0.035in |
| 1989 | Chrysler | TC Maserati | — | Cylinder Head Type: SOHC; Gap 0.045in |
| 1955 | Chrysler | Town & Country | — | Engine: 4.9 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1988 | Chrysler | Town & Country | — | Gap 0.035in |
| 1978–1979 | Chrysler | Town & Country | — | Engine: 5.2 V8; Gap 0.035in |
| 1956 | Chrysler | Town & Country | — | Engine: 5.8 V8; Gap 0.035in |
| 1978–1979 | Chrysler | Town & Country | — | Engine: 5.9 V8; Gap 0.035in |
| 1957–1958 | Chrysler | Town & Country | — | Engine: 6.4 V8; Gap 0.035in |
| 1986–1987 | Chrysler | Town & Country | — | OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1985 | Chrysler | Town & Country | — | Engine: 2.2 L4; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1982–1984 | Chrysler | Town & Country | — | Engine: 2.2 L4; OE Equivalent Design, Gap 0.035in |
| 1980–1981 | Chrysler | Town & Country | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1955 | Chrysler | Windsor | — | Engine: 4.9 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1956 | Chrysler | Windsor | — | Engine: 5.4 V8; Gap 0.035in |
| 1964 | Dodge | 330 | — | Engine: 4.5 V8; Gap 0.035in |
| 1982–1983 | Dodge | 400 | — | Engine: 2.2 L4; OE Equivalent Design, Gap 0.035in |
| 1988 | Dodge | 600 | — | Gap 0.035in |
| 1986–1987 | Dodge | 600 | — | OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1985 | Dodge | 600 | — | Engine: 2.2 L4; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1983–1984 | Dodge | 600 | — | Engine: 2.2 L4; OE Equivalent Design, Gap 0.035in |
| 1964–1966 | Dodge | A100 | — | Engine: 2.8 L6; Gap 0.035in |
| 1964–1966 | Dodge | A100 | — | Engine: 3.7 L6; Gap 0.035in |
| 1964–1966 | Dodge | A100 | — | Engine: 4.5 V8; Gap 0.035in |
| 1970 | Dodge | A100 | — | Engine: 5.2 V8; Gap 0.035in |
| 1964–1969 | Dodge | A100 Truck | — | Engine: 2.8 L6; Gap 0.035in |
| 1970 | Dodge | A100 Truck | — | Engine: 3.2 L6; Gap 0.035in |
| 1964–1970 | Dodge | A100 Truck | — | Engine: 3.7 L6; Gap 0.035in |
| 1964–1967 | Dodge | A100 Truck | — | Engine: 4.5 V8; Gap 0.035in |
| 1967–1970 | Dodge | A100 Truck | — | Engine: 5.2 V8; Gap 0.035in |
| 1967–1969 | Dodge | A108 Van | — | Engine: 2.8 L6; Gap 0.035in |
| 1970 | Dodge | A108 Van | — | Engine: 3.2 L6; Gap 0.035in |
| 1967–1970 | Dodge | A108 Van | — | Engine: 3.7 L6; Gap 0.035in |
| 1988–1989 | Dodge | Aries | — | Gap 0.035in |
| 1986–1987 | Dodge | Aries | — | OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1985 | Dodge | Aries | — | Engine: 2.2 L4; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1981–1984 | Dodge | Aries | — | Engine: 2.2 L4; OE Equivalent Design, Gap 0.035in |
| 1976–1979 | Dodge | Aspen | — | Engine: 5.2 V8; Gap 0.035in |
| 1976–1979 | Dodge | Aspen | — | Engine: 5.9 V8; Gap 0.035in |
| 1980 | Dodge | Aspen | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1980 | Dodge | Aspen | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1975–1979 | Dodge | B100 | — | Engine: 5.2 V8; Gap 0.035in |
| 1976–1978 | Dodge | B100 | — | Engine: 5.9 V8; Gap 0.035in |
| 1980 | Dodge | B100 | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1971, 1973 | Dodge | B100 Van | — | Engine: 3.2 L6; Gap 0.035in |
| 1971–1973 | Dodge | B100 Van | — | Engine: 3.7 L6; Gap 0.035in |
| 1971–1974 | Dodge | B100 Van | — | Engine: 5.2 V8; Gap 0.035in |
| 1971–1974 | Dodge | B100 Van | — | Engine: 5.9 V8; Gap 0.035in |
| 1988–1989 | Dodge | B150 | — | Engine: 3.9 V6; Gap 0.035in |
| 1988–1989 | Dodge | B150 | — | Engine: 5.2 V8; Gap 0.035in |
| 1985–1987 | Dodge | B150 | — | Engine: 5.2 V8; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1981–1984 | Dodge | B150 | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1975–1979 | Dodge | B200 | — | Engine: 5.2 V8; Gap 0.035in |
| 1975–1979 | Dodge | B200 | — | Engine: 5.9 V8; Gap 0.035in |
| 1980 | Dodge | B200 | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1980 | Dodge | B200 | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1971, 1973 | Dodge | B200 Van | — | Engine: 3.2 L6; Gap 0.035in |
| 1971–1973 | Dodge | B200 Van | — | Engine: 3.7 L6; Gap 0.035in |
| 1971–1974 | Dodge | B200 Van | — | Engine: 5.2 V8; Gap 0.035in |
| 1971–1974 | Dodge | B200 Van | — | Engine: 5.9 V8; Gap 0.035in |
| 1988–1989 | Dodge | B250 | — | Engine: 3.9 V6; Gap 0.035in |
| 1988–1989 | Dodge | B250 | — | Engine: 5.2 V8; Gap 0.035in |
| 1988–1989 | Dodge | B250 | — | Engine: 5.9 V8; Gap 0.035in |
| 1987 | Dodge | B250 | — | Engine VIN: W; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1985–1987 | Dodge | B250 | — | Engine: 5.2 V8; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1985–1986 | Dodge | B250 | — | Engine: 5.9 V8; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1981–1984 | Dodge | B250 | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1981, 1984 | Dodge | B250 | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1975–1979 | Dodge | B300 | — | Engine: 5.2 V8; Gap 0.035in |
| 1975–1979 | Dodge | B300 | — | Engine: 5.9 V8; Gap 0.035in |
| 1980 | Dodge | B300 | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1980 | Dodge | B300 | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1974 | Dodge | B300 Van | — | Engine VIN: C; Engine: 3.7 L6; Gap 0.035in |
| 1971–1973 | Dodge | B300 Van | — | Engine: 3.7 L6; Gap 0.035in |
| 1971–1974 | Dodge | B300 Van | — | Engine: 5.2 V8; Gap 0.035in |
| 1971–1974 | Dodge | B300 Van | — | Engine: 5.9 V8; Gap 0.035in |
| 1988–1989 | Dodge | B350 | — | Gap 0.035in |
| 1987 | Dodge | B350 | — | OE Equivalent Design, 18,000 mi OE Mfr Recommended Service Interval-Emission Code I, 30,000 mi OE Mfr Recommended Service Interval-Emission Code II, Gap 0.035in |
| 1985–1986 | Dodge | B350 | — | OE Equivalent Design, 18,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1981–1984 | Dodge | B350 | — | OE Equivalent Design, Gap 0.035in |
| 1993–1995 | Dodge | Caravan | — | Engine: 2.5 L4; Fuel Type: Gas; Gap 0.035in |
| 1988–1992 | Dodge | Caravan | — | Engine: 2.5 L4; Gap 0.035in |
| 1985–1987 | Dodge | Caravan | — | Engine: 2.2 L4; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1984 | Dodge | Caravan | — | Engine: 2.2 L4; OE Equivalent Design, Gap 0.035in |
| 1974 | Dodge | CB300 | — | Engine: 3.7 L6; Gap 0.035in |
| 1974–1979 | Dodge | CB300 | — | Engine: 5.2 V8; Gap 0.035in |
| 1974–1979 | Dodge | CB300 | — | Engine: 5.9 V8; Gap 0.035in |
| 1980 | Dodge | CB300 | — | OE Equivalent Design, Gap 0.035in |
| 1970–1971 | Dodge | Challenger | — | Engine: 3.2 L6; Gap 0.035in |
| 1970–1972 | Dodge | Challenger | — | Engine: 3.7 L6; Gap 0.035in |
| 1970–1974 | Dodge | Challenger | — | Engine: 5.2 V8; Gap 0.035in |
| 1970–1973 | Dodge | Challenger | — | Engine: 5.6 V8; Gap 0.035in |
| 1974 | Dodge | Challenger | — | Engine: 5.9 V8; Gap 0.035in |
| 1970–1971 | Dodge | Challenger | — | Engine: 7.0 V8; Gap 0.035in |
| 1967 | Dodge | Charger | — | Engine: 5.2 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1972 | Dodge | Charger | — | Engine VIN: V; Engine: 7.2 V8; Except H.O. Engine, Gap 0.035in |
| 1971 | Dodge | Charger | — | Engine: 7.2 V8; Except H.O. Engine, Gap 0.035in |
| 1968–1974 | Dodge | Charger | — | Engine: 3.7 L6; Gap 0.035in |
| 1970 | Dodge | Charger | — | Engine VIN: V; Engine: 7.2 V8; Gap 0.035in |
| 1967 | Dodge | Charger | — | Engine: 4.5 V8; Gap 0.035in |
| 1968–1978 | Dodge | Charger | — | Engine: 5.2 V8; Gap 0.035in |
| 1972–1973 | Dodge | Charger | — | Engine: 5.6 V8; Gap 0.035in |
| 1974–1978 | Dodge | Charger | — | Engine: 5.9 V8; Gap 0.035in |
| 1968–1971 | Dodge | Charger | — | Engine: 7.0 V8; Gap 0.035in |
| 1987 | Dodge | Charger | — | OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1985–1986 | Dodge | Charger | — | Engine: 2.2 L4; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1984 | Dodge | Charger | — | OE Equivalent Design, Gap 0.035in |
| 1983 | Dodge | Charger | — | Engine: 2.2 L4; OE Equivalent Design, Gap 0.035in |
| 1967 | Dodge | Coronet | — | Engine: 5.2 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1957–1958 | Dodge | Coronet | — | Engine: 5.3 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1958 | Dodge | Coronet | — | Engine: 5.7 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1957 | Dodge | Coronet | — | Engine: 5.8 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1958 | Dodge | Coronet | — | Engine: 5.9 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1967–1974 | Dodge | Coronet | — | Engine: 3.7 L6; Gap 0.035in |
| 1975 | Dodge | Coronet | — | Engine VIN: G; Gap 0.035in |
| 1975 | Dodge | Coronet | — | Engine VIN: J; Gap 0.035in |
| 1975 | Dodge | Coronet | — | Engine VIN: K; Gap 0.035in |
| 1975 | Dodge | Coronet | — | Engine VIN: L; Gap 0.035in |
| 1965–1968 | Dodge | Coronet | — | Engine: 4.5 V8; Gap 0.035in |
| 1968–1974, 1976 | Dodge | Coronet | — | Engine: 5.2 V8; Gap 0.035in |
| 1972–1973 | Dodge | Coronet | — | Engine: 5.6 V8; Gap 0.035in |
| 1973–1974, 1976 | Dodge | Coronet | — | Engine: 5.9 V8; Gap 0.035in |
| 1957–1958 | Dodge | Custom | — | Engine: 5.3 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1958 | Dodge | Custom | — | Engine: 5.7 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1957 | Dodge | Custom | — | Engine: 5.8 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1958 | Dodge | Custom | — | Engine: 5.9 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1988–1989 | Dodge | D100 | — | Engine: 3.9 V6; Gap 0.035in |
| 1975–1979, 1988–1989 | Dodge | D100 | — | Engine: 5.2 V8; Gap 0.035in |
| 1975–1979, 1988 | Dodge | D100 | — | Engine: 5.9 V8; Gap 0.035in |
| 1987 | Dodge | D100 | — | Engine VIN: W; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1985–1987 | Dodge | D100 | — | Engine: 5.2 V8; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1985–1986 | Dodge | D100 | — | Engine: 5.9 V8; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1984 | Dodge | D100 | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1984 | Dodge | D100 | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1970–1971, 1973 | Dodge | D100 Pickup | — | Engine: 3.2 L6; Gap 0.035in |
| 1968–1974 | Dodge | D100 Pickup | — | Engine: 3.7 L6; Gap 0.035in |
| 1970–1974 | Dodge | D100 Pickup | — | Engine: 5.2 V8; Gap 0.035in |
| 1971–1974 | Dodge | D100 Pickup | — | Engine: 5.9 V8; Gap 0.035in |
| 1968–1969 | Dodge | D100 Pickup | — | Engine: 5.2 V8; Light Duty, Gap 0.035in |
| 1967 | Dodge | D100 Series | — | Engine: 5.2 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1961–1966 | Dodge | D100 Series | — | Engine: 2.8 L6; Gap 0.035in |
| 1961–1967 | Dodge | D100 Series | — | Engine: 3.7 L6; Gap 0.035in |
| 1988–1989 | Dodge | D150 | — | Engine: 3.9 V6; Gap 0.035in |
| 1977–1979, 1988–1989 | Dodge | D150 | — | Engine: 5.2 V8; Gap 0.035in |
| 1977–1979, 1988–1989 | Dodge | D150 | — | Engine: 5.9 V8; Gap 0.035in |
| 1985–1987 | Dodge | D150 | — | Engine: 5.2 V8; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1985–1987 | Dodge | D150 | — | Engine: 5.9 V8; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1980–1984 | Dodge | D150 | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1980–1982, 1984 | Dodge | D150 | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1975–1979 | Dodge | D200 | — | Engine: 5.2 V8; Gap 0.035in |
| 1975–1979 | Dodge | D200 | — | Engine: 5.9 V8; Gap 0.035in |
| 1980 | Dodge | D200 | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1980 | Dodge | D200 | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1968–1974 | Dodge | D200 Pickup | — | Engine: 3.7 L6; Gap 0.035in |
| 1970–1974 | Dodge | D200 Pickup | — | Engine: 5.2 V8; Gap 0.035in |
| 1971–1974 | Dodge | D200 Pickup | — | Engine: 5.9 V8; Gap 0.035in |
| 1968–1969 | Dodge | D200 Pickup | — | Engine: 5.2 V8; Light Duty, Gap 0.035in |
| 1967 | Dodge | D200 Series | — | Engine: 5.2 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1961–1967 | Dodge | D200 Series | — | Engine: 3.7 L6; Gap 0.035in |
| 1988–1989 | Dodge | D250 | — | Engine: 3.9 V6; Gap 0.035in |
| 1988 | Dodge | D250 | — | Engine VIN: 1; Gap 0.035in |
| 1988 | Dodge | D250 | — | Engine VIN: W; Gap 0.035in |
| 1989 | Dodge | D250 | — | Engine VIN: Z; Gap 0.035in |
| 1988–1989 | Dodge | D250 | — | Engine: 5.2 V8; Gap 0.035in |
| 1987 | Dodge | D250 | — | Engine VIN: W; OE Equivalent Design, 18,000 mi OE Mfr Recommended Service Interval-Emission Code I, 30,000 mi OE Mfr Recommended Service Interval-Emission Code II, Gap 0.035in |
| 1987 | Dodge | D250 | — | Engine: 5.2 V8; OE Equivalent Design, 18,000 mi OE Mfr Recommended Service Interval-Emission Code I, 30,000 mi OE Mfr Recommended Service Interval-Emission Code II, Gap 0.035in |
| 1985–1986 | Dodge | D250 | — | Engine: 5.2 V8; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1985–1986 | Dodge | D250 | — | Engine: 5.9 V8; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1981–1984 | Dodge | D250 | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1981–1982, 1984 | Dodge | D250 | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1979 | Dodge | D300 | — | Gap 0.035in |
| 1975–1978 | Dodge | D300 | — | Engine: 5.2 V8; Gap 0.035in |
| 1975–1978 | Dodge | D300 | — | Engine: 5.9 V8; Gap 0.035in |
| 1980 | Dodge | D300 | — | OE Equivalent Design, Gap 0.035in |
| 1968–1974 | Dodge | D300 Pickup | — | Engine: 3.7 L6; Gap 0.035in |
| 1970–1974 | Dodge | D300 Pickup | — | Engine: 5.2 V8; Gap 0.035in |
| 1971–1974 | Dodge | D300 Pickup | — | Engine: 5.9 V8; Gap 0.035in |
| 1968–1969 | Dodge | D300 Pickup | — | Engine: 5.2 V8; Light Duty, Gap 0.035in |
| 1967 | Dodge | D300 Series | — | Engine: 5.2 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1961–1967 | Dodge | D300 Series | — | Engine: 3.7 L6; Gap 0.035in |
| 1988 | Dodge | D350 | — | Engine VIN: 1; Gap 0.035in |
| 1989 | Dodge | D350 | — | Engine VIN: Z; Gap 0.035in |
| 1987 | Dodge | D350 | — | Engine VIN: 1; OE Equivalent Design, 18,000 mi OE Mfr Recommended Service Interval-Emission Code I, 30,000 mi OE Mfr Recommended Service Interval-Emission Code II, Gap 0.035in |
| 1987 | Dodge | D350 | — | Engine VIN: W; OE Equivalent Design, 18,000 mi OE Mfr Recommended Service Interval-Emission Code I, 30,000 mi OE Mfr Recommended Service Interval-Emission Code II, Gap 0.035in |
| 1985–1986 | Dodge | D350 | — | OE Equivalent Design, 18,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1981–1984 | Dodge | D350 | — | OE Equivalent Design, Gap 0.035in |
| 1979 | Dodge | D400 | — | Gap 0.035in |
| 1978 | Dodge | D400 | — | Engine: 5.9 V8; Gap 0.035in |
| 1980–1981 | Dodge | D400 | — | OE Equivalent Design, Gap 0.035in |
| 1979 | Dodge | D450 | — | Gap 0.035in |
| 1978 | Dodge | D450 | — | Engine: 5.9 V8; Gap 0.035in |
| 1980–1981 | Dodge | D450 | — | OE Equivalent Design, Gap 0.035in |
| 1988 | Dodge | Dakota | — | Engine: 2.2 L4; Gap 0.035in |
| 1989–1995 | Dodge | Dakota | — | Engine: 2.5 L4; Gap 0.035in |
| 1987–1989 | Dodge | Dakota | — | Engine: 3.9 V6; Gap 0.035in |
| 1989 | Dodge | Dakota | — | Engine: 5.2 V8; Gap 0.035in |
| 1987 | Dodge | Dakota | — | Engine: 2.2 L4; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1961, 1963–1969 | Dodge | Dart | — | Engine: 2.8 L6; Gap 0.035in |
| 1970–1974 | Dodge | Dart | — | Engine: 3.2 L6; Gap 0.035in |
| 1960–1974 | Dodge | Dart | — | Engine: 3.7 L6; Gap 0.035in |
| 1964–1969 | Dodge | Dart | — | Engine: 4.5 V8; Gap 0.035in |
| 1968–1976 | Dodge | Dart | — | Engine: 5.2 V8; Gap 0.035in |
| 1968–1973 | Dodge | Dart | — | Engine: 5.6 V8; Gap 0.035in |
| 1974–1976 | Dodge | Dart | — | Engine: 5.9 V8; Gap 0.035in |
| 1988–1989 | Dodge | Daytona | — | Gap 0.035in |
| 1990, 1992–1993 | Dodge | Daytona | — | Engine: 2.2 L4; Gap 0.035in |
| 1990–1993 | Dodge | Daytona | — | Engine: 2.5 L4; Gap 0.035in |
| 1984–1987 | Dodge | Daytona | — | OE Equivalent Design, Gap 0.035in |
| 1977, 1988–1989 | Dodge | Diplomat | — | Gap 0.035in |
| 1978–1979 | Dodge | Diplomat | — | Engine: 5.2 V8; Gap 0.035in |
| 1978–1979 | Dodge | Diplomat | — | Engine: 5.9 V8; Gap 0.035in |
| 1985–1987 | Dodge | Diplomat | — | OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1984 | Dodge | Diplomat | — | OE Equivalent Design, Gap 0.035in |
| 1980–1983 | Dodge | Diplomat | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1988–1993 | Dodge | Dynasty | — | Engine: 2.5 L4; Gap 0.035in |
| 1988 | Dodge | Grand Caravan | — | Engine: 2.5 L4; Gap 0.035in |
| 1987, 1989 | Dodge | Grand Caravan | — | Engine: 2.5 L4; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1988–1989 | Dodge | Lancer | — | Gap 0.035in |
| 1962 | Dodge | Lancer | — | Engine: 2.8 L6; Gap 0.035in |
| 1961–1962 | Dodge | Lancer | — | Engine: 3.7 L6; Gap 0.035in |
| 1985–1987 | Dodge | Lancer | — | OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1970–1973 | Dodge | M300 | — | Engine: 5.2 V8; Gap 0.035in |
| 1979 | Dodge | Magnum | — | Gap 0.035in |
| 1978 | Dodge | Magnum | — | Engine: 5.2 V8; Gap 0.035in |
| 1978 | Dodge | Magnum | — | Engine: 5.9 V8; Gap 0.035in |
| 1970–1973 | Dodge | MB300 | — | Engine: 5.2 V8; Gap 0.035in |
| 1988 | Dodge | Mini Ram | — | Engine: 2.5 L4; Gap 0.035in |
| 1985–1988 | Dodge | Mini Ram | — | Engine: 2.2 L4; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1987 | Dodge | Mini Ram | — | Engine: 2.5 L4; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1984 | Dodge | Mini Ram | — | Engine: 2.2 L4; OE Equivalent Design, Gap 0.035in |
| 1980–1983 | Dodge | Mirada | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1980 | Dodge | Mirada | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1975 | Dodge | Monaco | — | Engine VIN: G; Gap 0.035in |
| 1975 | Dodge | Monaco | — | Engine VIN: J; Gap 0.035in |
| 1975 | Dodge | Monaco | — | Engine VIN: K; Gap 0.035in |
| 1975 | Dodge | Monaco | — | Engine VIN: L; Gap 0.035in |
| 1968–1974, 1976–1978 | Dodge | Monaco | — | Engine: 5.2 V8; Gap 0.035in |
| 1971–1974, 1976–1978 | Dodge | Monaco | — | Engine: 5.9 V8; Gap 0.035in |
| 1978–1979, 1988–1990 | Dodge | Omni | — | Gap 0.035in |
| 1985–1987 | Dodge | Omni | — | OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1980–1984 | Dodge | Omni | — | OE Equivalent Design, Gap 0.035in |
| 1965–1966 | Dodge | P100 Van | — | Engine: 2.8 L6; Gap 0.035in |
| 1965–1966 | Dodge | P200 Van | — | Engine: 2.8 L6; Gap 0.035in |
| 1970–1972 | Dodge | P200 Van | — | Engine: 3.7 L6; Gap 0.035in |
| 1970–1972 | Dodge | P200 Van | — | Engine: 5.9 V8; Gap 0.035in |
| 1970–1972 | Dodge | P300 Van | — | Engine: 3.7 L6; Gap 0.035in |
| 1971–1972 | Dodge | P300 Van | — | Engine: 5.9 V8; Gap 0.035in |
| 1967 | Dodge | Polara | — | Engine: 5.2 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1966 | Dodge | Polara | — | Engine: 4.5 V8; Except H.O. Engine, Gap 0.035in |
| 1964 | Dodge | Polara | — | Engine: 2.8 L6; Gap 0.035in |
| 1963–1964, 1970–1971 | Dodge | Polara | — | Engine: 3.7 L6; Gap 0.035in |
| 1968–1973 | Dodge | Polara | — | Engine: 5.2 V8; Gap 0.035in |
| 1971–1973 | Dodge | Polara | — | Engine: 5.9 V8; Gap 0.035in |
| 1974 | Dodge | Ramcharger | — | Engine: 3.7 L6; Gap 0.035in |
| 1988–1989 | Dodge | Ramcharger | — | Gap 0.035in |
| 1974–1979 | Dodge | Ramcharger | — | Engine: 5.2 V8; Gap 0.035in |
| 1974–1979 | Dodge | Ramcharger | — | Engine: 5.9 V8; Gap 0.035in |
| 1985–1987 | Dodge | Ramcharger | — | OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1981–1984 | Dodge | Ramcharger | — | OE Equivalent Design, Gap 0.035in |
| 1980 | Dodge | Ramcharger | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1980 | Dodge | Ramcharger | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1982–1984 | Dodge | Rampage | — | OE Equivalent Design, Gap 0.035in |
| 1978–1979 | Dodge | RD200 | — | Gap 0.035in |
| 1980 | Dodge | RD200 | — | OE Equivalent Design, Gap 0.035in |
| 1975, 1977 | Dodge | Royal Monaco | — | Engine: 5.2 V8; Gap 0.035in |
| 1975–1977 | Dodge | Royal Monaco | — | Engine: 5.9 V8; Gap 0.035in |
| 1988–1991 | Dodge | Shadow | — | Gap 0.035in |
| 1992–1994 | Dodge | Shadow | — | Engine: 2.2 L4; Gap 0.035in |
| 1992–1994 | Dodge | Shadow | — | Engine: 2.5 L4; Gap 0.035in |
| 1987 | Dodge | Shadow | — | OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1991–1992 | Dodge | Spirit | — | Engine: 2.2 L4; Gap 0.035in |
| 1989–1995 | Dodge | Spirit | — | Engine: 2.5 L4; Gap 0.035in |
| 1979 | Dodge | St. Regis | — | Engine: 5.2 V8; Gap 0.035in |
| 1979 | Dodge | St. Regis | — | Engine: 5.9 V8; Gap 0.035in |
| 1980–1981 | Dodge | St. Regis | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1980 | Dodge | St. Regis | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1989 | Dodge | W100 | — | Engine: 3.9 V6; Gap 0.035in |
| 1988 | Dodge | W100 | — | Gap 0.035in |
| 1975–1977, 1989 | Dodge | W100 | — | Engine: 5.2 V8; Gap 0.035in |
| 1975–1977 | Dodge | W100 | — | Engine: 5.9 V8; Gap 0.035in |
| 1985–1987 | Dodge | W100 | — | Engine: 5.2 V8; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1985–1987 | Dodge | W100 | — | Engine: 5.9 V8; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1984 | Dodge | W100 | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1984 | Dodge | W100 | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1968–1974 | Dodge | W100 Pickup | — | Engine: 3.7 L6; Gap 0.035in |
| 1970–1974 | Dodge | W100 Pickup | — | Engine: 5.2 V8; Gap 0.035in |
| 1972–1974 | Dodge | W100 Pickup | — | Engine: 5.9 V8; Gap 0.035in |
| 1968–1969 | Dodge | W100 Pickup | — | Engine: 5.2 V8; Light Duty, Gap 0.035in |
| 1967 | Dodge | W100 Series | — | Engine: 5.2 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1961–1967 | Dodge | W100 Series | — | Engine: 3.7 L6; Gap 0.035in |
| 1989 | Dodge | W150 | — | Engine: 3.9 V6; Gap 0.035in |
| 1988 | Dodge | W150 | — | Gap 0.035in |
| 1977–1979, 1989 | Dodge | W150 | — | Engine: 5.2 V8; Gap 0.035in |
| 1977–1979, 1989 | Dodge | W150 | — | Engine: 5.9 V8; Gap 0.035in |
| 1985–1987 | Dodge | W150 | — | Engine: 5.2 V8; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1985–1987 | Dodge | W150 | — | Engine: 5.9 V8; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1981–1982 | Dodge | W150 | — | Engine VIN: R; OE Equivalent Design, Gap 0.035in |
| 1980, 1983–1984 | Dodge | W150 | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1980–1981, 1984 | Dodge | W150 | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1975–1979 | Dodge | W200 | — | Engine: 5.2 V8; Gap 0.035in |
| 1975–1979 | Dodge | W200 | — | Engine: 5.9 V8; Gap 0.035in |
| 1980 | Dodge | W200 | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1980 | Dodge | W200 | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1969–1974 | Dodge | W200 Pickup | — | Engine: 3.7 L6; Gap 0.035in |
| 1970–1974 | Dodge | W200 Pickup | — | Engine: 5.2 V8; Gap 0.035in |
| 1971–1974 | Dodge | W200 Pickup | — | Engine: 5.9 V8; Gap 0.035in |
| 1969 | Dodge | W200 Pickup | — | Engine: 5.2 V8; Light Duty, Gap 0.035in |
| 1968 | Dodge | W200 Pickup | — | Engine: 5.2 V8; OE Equivalent Design, Light Duty, Gap 0.035in |
| 1967 | Dodge | W200 Series | — | Engine: 5.2 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1961–1967 | Dodge | W200 Series | — | Engine: 3.7 L6; Gap 0.035in |
| 1988 | Dodge | W250 | — | Engine VIN: 1; Gap 0.035in |
| 1988 | Dodge | W250 | — | Engine VIN: W; Gap 0.035in |
| 1989 | Dodge | W250 | — | Engine VIN: Z; Gap 0.035in |
| 1988–1989 | Dodge | W250 | — | Engine: 5.2 V8; Gap 0.035in |
| 1987 | Dodge | W250 | — | Engine VIN: 1; OE Equivalent Design, 18,000 mi OE Mfr Recommended Service Interval-Emission Code I, 30,000 mi OE Mfr Recommended Service Interval-Emission Code II, Gap 0.035in |
| 1987 | Dodge | W250 | — | Engine VIN: W; OE Equivalent Design, 18,000 mi OE Mfr Recommended Service Interval-Emission Code I, 30,000 mi OE Mfr Recommended Service Interval-Emission Code II, Gap 0.035in |
| 1987 | Dodge | W250 | — | Engine: 5.2 V8; OE Equivalent Design, 18,000 mi OE Mfr Recommended Service Interval-Emission Code I, 30,000 mi OE Mfr Recommended Service Interval-Emission Code II, Gap 0.035in |
| 1985–1986 | Dodge | W250 | — | OE Equivalent Design, 18,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1983–1984 | Dodge | W250 | — | OE Equivalent Design, Gap 0.035in |
| 1981–1982 | Dodge | W250 | — | Engine VIN: R; OE Equivalent Design, Gap 0.035in |
| 1981–1982 | Dodge | W250 | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1979 | Dodge | W300 | — | Gap 0.035in |
| 1975–1978 | Dodge | W300 | — | Engine: 5.2 V8; Gap 0.035in |
| 1975–1978 | Dodge | W300 | — | Engine: 5.9 V8; Gap 0.035in |
| 1980 | Dodge | W300 | — | OE Equivalent Design, Gap 0.035in |
| 1968–1974 | Dodge | W300 Pickup | — | Engine: 3.7 L6; Gap 0.035in |
| 1970–1974 | Dodge | W300 Pickup | — | Engine: 5.2 V8; Gap 0.035in |
| 1971–1974 | Dodge | W300 Pickup | — | Engine: 5.9 V8; Gap 0.035in |
| 1968–1969 | Dodge | W300 Pickup | — | Engine: 5.2 V8; Light Duty, Gap 0.035in |
| 1967 | Dodge | W300 Series | — | Engine: 5.2 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1963–1967 | Dodge | W300 Series | — | Engine: 3.7 L6; Gap 0.035in |
| 1988 | Dodge | W350 | — | Engine VIN: 1; Gap 0.035in |
| 1989 | Dodge | W350 | — | Engine VIN: Z; Gap 0.035in |
| 1987 | Dodge | W350 | — | Engine VIN: 1; OE Equivalent Design, 18,000 mi OE Mfr Recommended Service Interval-Emission Code I, 30,000 mi OE Mfr Recommended Service Interval-Emission Code II, Gap 0.035in |
| 1987 | Dodge | W350 | — | Engine VIN: W; OE Equivalent Design, 18,000 mi OE Mfr Recommended Service Interval-Emission Code I, 30,000 mi OE Mfr Recommended Service Interval-Emission Code II, Gap 0.035in |
| 1985–1986 | Dodge | W350 | — | OE Equivalent Design, 18,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1981, 1983–1984 | Dodge | W350 | — | OE Equivalent Design, Gap 0.035in |
| 1982 | Dodge | W350 | — | Engine VIN: R; OE Equivalent Design, Gap 0.035in |
| 1982 | Dodge | W350 | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1964–1965 | GMC | 1000 Series | — | Engine: 3.8 L6; Gap 0.035in |
| 1964–1965 | GMC | 1500 Series | — | Engine: 3.8 L6; Gap 0.035in |
| 1967–1969 | GMC | C15/C1500 Pickup | — | Engine: 4.1 L6; Gap 0.035in |
| 1968–1969 | GMC | C15/C1500 Suburban | — | Engine: 4.1 L6; Gap 0.035in |
| 1967–1969 | GMC | C25/C2500 Pickup | — | Engine: 4.1 L6; Gap 0.035in |
| 1968–1969 | GMC | C25/C2500 Suburban | — | Engine: 4.1 L6; Gap 0.035in |
| 1967–1969 | GMC | C35/C3500 Pickup | — | Engine: 4.1 L6; Gap 0.035in |
| 1966 | GMC | G1000 Series | — | Engine: 3.2 L6; Gap 0.035in |
| 1964–1966 | GMC | G1000 Series | — | Engine: 3.8 L6; Gap 0.035in |
| 1967–1969 | GMC | G15/G1500 Van | — | Engine: 3.8 L6; Gap 0.035in |
| 1967–1969 | GMC | G15/G1500 Van | — | Engine: 4.1 L6; Gap 0.035in |
| 1967–1969 | GMC | G25/G2500 Van | — | Engine: 3.8 L6; Gap 0.035in |
| 1967–1969 | GMC | G25/G2500 Van | — | Engine: 4.1 L6; Gap 0.035in |
| 1967–1969 | GMC | K15/K1500 Pickup | — | Engine: 3.8 L6; Gap 0.035in |
| 1967–1969 | GMC | K15/K1500 Pickup | — | Engine: 4.1 L6; Gap 0.035in |
| 1968–1969 | GMC | K15/K1500 Suburban | — | Engine: 4.1 L6; Gap 0.035in |
| 1967–1969 | GMC | K25/K2500 Pickup | — | Engine: 4.1 L6; Gap 0.035in |
| 1968–1969 | GMC | K25/K2500 Suburban | — | Engine: 4.1 L6; Gap 0.035in |
| 1968–1969 | GMC | K35/K3500 Pickup | — | Engine: 4.1 L6; Gap 0.035in |
| 1967–1969 | GMC | P15/P1500 Van | — | Engine: 3.8 L6; Gap 0.035in |
| 1968–1969 | GMC | P15/P1500 Van | — | Engine: 4.1 L6; Gap 0.035in |
| 1967 | GMC | P25/P2500 Van | — | Engine: 4.1 L6; Gap 0.035in |
| 1967 | GMC | P35/P3500 Van | — | Engine: 4.1 L6; Gap 0.035in |
| 1963–1965 | GMC | PB1000 Series | — | Engine: 2.5 L4; Gap 0.035in |
| 1963 | GMC | PB1000 Series | — | Engine: 3.8 L6; Gap 0.035in |
| 1966 | GMC | PB15 Series | — | Engine: 4.1 L6; Gap 0.035in |
| 1966 | GMC | PB25 Series | — | Engine: 4.1 L6; Gap 0.035in |
| 1963 | GMC | PB2500 Series | — | Engine: 3.8 L6; Gap 0.035in |
| 1963 | GMC | Suburban | — | Engine: 2.5 L4; Gap 0.035in |
| 1963–1966 | GMC | Suburban | — | Engine: 3.8 L6; Gap 0.035in |
| 1966 | GMC | Suburban | — | Engine: 4.1 L6; Gap 0.035in |
| 1969–1970 | International | 1000D | — | Engine: 3.8 L6; Gap 0.030in |
| 1971 | International | 1010 | — | Engine: 3.8 L6; Gap 0.030in |
| 1969–1970 | International | 1100D | — | Engine: 3.8 L6; Gap 0.030in |
| 1971 | International | 1110 | — | Engine: 3.8 L6; Gap 0.030in |
| 1969–1970 | International | 1200D | — | Engine: 3.8 L6; Gap 0.030in |
| 1971 | International | 1210 | — | Engine: 3.8 L6; Gap 0.030in |
| 1969–1970 | International | 1300D | — | Engine: 3.8 L6; Gap 0.030in |
| 1971 | International | 1310 | — | Engine: 3.8 L6; Gap 0.030in |
| 1969–1971 | International | M1100 | — | Engine: 3.8 L6; Gap 0.030in |
| 1969–1971 | International | M1200 | — | Engine: 3.8 L6; Gap 0.030in |
| 1969 | International | M1400 | — | Engine: 3.8 L6; Gap 0.030in |
| 1969–1971 | International | M800 | — | Engine: 3.8 L6; Gap 0.030in |
| 1969 | International | M800 Navy | — | Engine: 3.8 L6; Gap 0.030in |
| 1969–1971 | International | M800 Post Office | — | Engine: 3.8 L6; Gap 0.030in |
| 1969–1971 | International | MA1200 | — | Engine: 3.8 L6; Gap 0.030in |
| 1969–1970 | International | Scout 800 | — | Engine: 3.8 L6; Gap 0.030in |
| 1971 | International | Scout II | — | Engine: 3.8 L6; Gap 0.030in |
| 1974–1975 | Jeep | Cherokee | — | Engine: 4.2 L6; Gap 0.035in |
| 1974–1975 | Jeep | Cherokee | — | Engine: 5.9 V8; Gap 0.035in |
| 1974–1975 | Jeep | Cherokee | — | Engine: 6.6 V8; Gap 0.035in |
| 1976–1977 | Jeep | Cherokee | — | Engine: 4.2 L6; OE Equivalent Design, Gap 0.035in |
| 1976–1983 | Jeep | Cherokee | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1976–1978 | Jeep | Cherokee | — | Engine: 6.6 V8; OE Equivalent Design, Gap 0.035in |
| 1972–1975 | Jeep | CJ5 | — | Engine: 3.8 L6; Gap 0.035in |
| 1971–1975 | Jeep | CJ5 | — | Engine: 4.2 L6; Gap 0.035in |
| 1972–1975 | Jeep | CJ5 | — | Engine: 5.0 V8; Gap 0.035in |
| 1976–1977 | Jeep | CJ5 | — | Engine: 3.8 L6; OE Equivalent Design, Gap 0.035in |
| 1976–1977 | Jeep | CJ5 | — | Engine: 4.2 L6; OE Equivalent Design, Gap 0.035in |
| 1976–1981 | Jeep | CJ5 | — | Engine: 5.0 V8; OE Equivalent Design, Gap 0.035in |
| 1972–1975 | Jeep | CJ6 | — | Engine: 3.8 L6; Gap 0.035in |
| 1971–1975 | Jeep | CJ6 | — | Engine: 4.2 L6; Gap 0.035in |
| 1971–1975 | Jeep | CJ6 | — | Engine: 5.0 V8; Gap 0.035in |
| 1976–1977 | Jeep | CJ7 | — | Engine: 3.8 L6; Gap 0.035in |
| 1976–1977 | Jeep | CJ7 | — | Engine: 4.2 L6; Gap 0.035in |
| 1976–1979 | Jeep | CJ7 | — | Engine: 5.0 V8; Gap 0.035in |
| 1980–1981 | Jeep | CJ7 | — | Engine: 5.0 V8; OE Equivalent Design, Gap 0.035in |
| 1972–1973 | Jeep | Commando | — | Engine: 3.8 L6; Gap 0.035in |
| 1972–1973 | Jeep | Commando | — | Engine: 4.2 L6; Gap 0.035in |
| 1972–1973 | Jeep | Commando | — | Engine: 5.0 V8; Gap 0.035in |
| 1975–1977 | Jeep | DJ5 | — | Gap 0.035in |
| 1972–1974 | Jeep | DJ5 | — | Engine: 3.8 L6; Gap 0.035in |
| 1973–1974 | Jeep | DJ5 | — | Engine: 4.2 L6; Gap 0.035in |
| 1965–1967 | Jeep | Gladiator | — | Cylinder Head Type: OHV; Engine: 3.8 L6; Gap 0.035in |
| 1988–1989 | Jeep | Grand Wagoneer | — | Gap 0.035in |
| 1987, 1990–1991 | Jeep | Grand Wagoneer | — | OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1985–1986 | Jeep | Grand Wagoneer | — | Engine: 5.9 V8; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1984 | Jeep | Grand Wagoneer | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1965–1967 | Jeep | J-100 | — | Cylinder Head Type: OHV; Engine: 3.8 L6; Gap 0.035in |
| 1968–1972 | Jeep | J-100 | — | Engine: 3.8 L6; Gap 0.035in |
| 1971–1973 | Jeep | J-100 | — | Engine: 4.2 L6; Gap 0.035in |
| 1971–1972 | Jeep | J-100 | — | Engine: 5.0 V8; Gap 0.035in |
| 1971–1973 | Jeep | J-100 | — | Engine: 5.9 V8; Gap 0.035in |
| 1968–1971 | Jeep | J-2500 | — | Engine: 3.8 L6; Gap 0.035in |
| 1971–1973 | Jeep | J-2500 | — | Engine: 4.2 L6; Gap 0.035in |
| 1971–1972 | Jeep | J-2500 | — | Engine: 5.0 V8; Gap 0.035in |
| 1970–1973 | Jeep | J-2500 | — | Engine: 5.9 V8; Gap 0.035in |
| 1968–1971 | Jeep | J-2600 | — | Engine: 3.8 L6; Gap 0.035in |
| 1971–1973 | Jeep | J-2600 | — | Engine: 4.2 L6; Gap 0.035in |
| 1971–1972 | Jeep | J-2600 | — | Engine: 5.0 V8; Gap 0.035in |
| 1970–1973 | Jeep | J-2600 | — | Engine: 5.9 V8; Gap 0.035in |
| 1968–1970 | Jeep | J-2700 | — | Engine: 3.8 L6; Gap 0.035in |
| 1968–1970 | Jeep | J-3500 | — | Engine: 3.8 L6; Gap 0.035in |
| 1968–1970 | Jeep | J-3600 | — | Engine: 3.8 L6; Gap 0.035in |
| 1968–1970 | Jeep | J-3700 | — | Engine: 3.8 L6; Gap 0.035in |
| 1968, 1970 | Jeep | J-3800 | — | Engine: 3.8 L6; Gap 0.035in |
| 1971 | Jeep | J-3800 | — | Engine: 4.2 L6; Gap 0.035in |
| 1971 | Jeep | J-3800 | — | Engine: 5.9 V8; Gap 0.035in |
| 1970 | Jeep | J-3800 | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1970 | Jeep | J-4500 | — | Engine: 3.8 L6; Gap 0.035in |
| 1971–1973 | Jeep | J-4500 | — | Engine: 4.2 L6; Gap 0.035in |
| 1971–1972 | Jeep | J-4500 | — | Engine: 5.0 V8; Gap 0.035in |
| 1971–1973 | Jeep | J-4500 | — | Engine: 5.9 V8; Gap 0.035in |
| 1970 | Jeep | J-4600 | — | Engine: 3.8 L6; Gap 0.035in |
| 1971–1973 | Jeep | J-4600 | — | Engine: 4.2 L6; Gap 0.035in |
| 1971–1972 | Jeep | J-4600 | — | Engine: 5.0 V8; Gap 0.035in |
| 1971–1973 | Jeep | J-4600 | — | Engine: 5.9 V8; Gap 0.035in |
| 1970 | Jeep | J-4700 | — | Engine: 3.8 L6; Gap 0.035in |
| 1971–1973 | Jeep | J-4700 | — | Engine: 4.2 L6; Gap 0.035in |
| 1971–1972 | Jeep | J-4700 | — | Engine: 5.0 V8; Gap 0.035in |
| 1971–1973 | Jeep | J-4700 | — | Engine: 5.9 V8; Gap 0.035in |
| 1970 | Jeep | J-4800 | — | Engine: 3.8 L6; Gap 0.035in |
| 1971–1973 | Jeep | J-4800 | — | Engine: 4.2 L6; Gap 0.035in |
| 1971–1972 | Jeep | J-4800 | — | Engine: 5.0 V8; Gap 0.035in |
| 1971–1973 | Jeep | J-4800 | — | Engine: 5.9 V8; Gap 0.035in |
| 1974–1975 | Jeep | J10 | — | Engine: 4.2 L6; Gap 0.035in |
| 1988 | Jeep | J10 | — | Gap 0.035in |
| 1974–1975 | Jeep | J10 | — | Engine: 5.9 V8; Gap 0.035in |
| 1974–1975 | Jeep | J10 | — | Engine: 6.6 V8; Gap 0.035in |
| 1985–1987 | Jeep | J10 | — | Engine: 5.9 V8; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1976–1977 | Jeep | J10 | — | Engine: 4.2 L6; OE Equivalent Design, Gap 0.035in |
| 1976–1984 | Jeep | J10 | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1976–1978 | Jeep | J10 | — | Engine: 6.6 V8; OE Equivalent Design, Gap 0.035in |
| 1974, 1976 | Jeep | J20 | — | Engine: 4.2 L6; Gap 0.035in |
| 1975, 1977–1979, 1988 | Jeep | J20 | — | Gap 0.035in |
| 1974, 1976 | Jeep | J20 | — | Engine: 5.9 V8; Gap 0.035in |
| 1974, 1976 | Jeep | J20 | — | Engine: 6.6 V8; Gap 0.035in |
| 1985–1987 | Jeep | J20 | — | OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1980–1984 | Jeep | J20 | — | OE Equivalent Design, Gap 0.035in |
| 1971 | Jeep | Wagoneer | — | Engine: 3.8 L6; Gap 0.035in |
| 1972–1973 | Jeep | Wagoneer | — | Engine: 4.2 L6; Gap 0.035in |
| 1975–1979 | Jeep | Wagoneer | — | Gap 0.035in |
| 1972–1974 | Jeep | Wagoneer | — | Engine: 5.9 V8; Gap 0.035in |
| 1974 | Jeep | Wagoneer | — | Engine: 6.6 V8; Gap 0.035in |
| 1980–1983 | Jeep | Wagoneer | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1975–1976 | Mercury | Bobcat | — | Engine: 2.8 V6; Gap 0.034in |
| 1971–1972 | Mercury | Capri | — | Engine: 1.6 L4; Gap 0.034in |
| 1972–1973 | Mercury | Capri | — | Engine: 2.6 V6; Gap 0.034in |
| 1974, 1976 | Mercury | Capri | — | Engine: 2.8 V6; Gap 0.034in |
| 1988–1990 | Mercury | Tracer | — | Gap 0.044in |
| 1987 | Mercury | Tracer | — | OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.034in |
| 1968–1969 | Oldsmobile | Cutlass | — | Engine: 4.1 L6; Gap 0.035in |
| 1966–1969 | Oldsmobile | F85 | — | Engine: 4.1 L6; Gap 0.035in |
| 1985–1986 | Oldsmobile | Firenza | — | Engine: 1.8 L4; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1983–1984 | Oldsmobile | Firenza | — | Engine: 1.8 L4; OE Equivalent Design, Gap 0.035in |
| 1982 | Oldsmobile | Firenza | — | Fuel Delivery Type: FI; OE Equivalent Design, Gap 0.035in |
| 1989–1995 | Plymouth | Acclaim | — | Engine: 2.5 L4; Gap 0.035in |
| 1966 | Plymouth | Barracuda | — | Engine: 2.8 L6; Gap 0.035in |
| 1970–1971 | Plymouth | Barracuda | — | Engine: 3.2 L6; Gap 0.035in |
| 1965–1972 | Plymouth | Barracuda | — | Engine: 3.7 L6; Gap 0.035in |
| 1964–1967 | Plymouth | Barracuda | — | Engine: 4.5 V8; Gap 0.035in |
| 1968–1974 | Plymouth | Barracuda | — | Engine: 5.2 V8; Gap 0.035in |
| 1968–1973 | Plymouth | Barracuda | — | Engine: 5.6 V8; Gap 0.035in |
| 1971–1974 | Plymouth | Barracuda | — | Engine: 5.9 V8; Gap 0.035in |
| 1967 | Plymouth | Belvedere | — | Engine: 5.2 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1963–1970 | Plymouth | Belvedere | — | Engine: 3.7 L6; Gap 0.035in |
| 1964–1968 | Plymouth | Belvedere | — | Engine: 4.5 V8; Gap 0.035in |
| 1968–1970 | Plymouth | Belvedere | — | Engine: 5.2 V8; Gap 0.035in |
| 1971 | Plymouth | Belvedere | — | Engine: 5.6 V8; Gap 0.035in |
| 1967 | Plymouth | Belvedere | — | Engine: 7.0 V8; Gap 0.035in |
| 1988 | Plymouth | Caravelle | — | Engine: 2.2 L4; Gap 0.035in |
| 1988 | Plymouth | Caravelle | — | Engine: 2.5 L4; Gap 0.035in |
| 1989 | Plymouth | Caravelle | — | Gap 0.035in |
| 1978–1979, 1988 | Plymouth | Caravelle | — | Engine: 5.2 V8; Gap 0.035in |
| 1978–1979 | Plymouth | Caravelle | — | Engine: 5.9 V8; Gap 0.035in |
| 1985 | Plymouth | Caravelle | — | Aspiration: Normal; Fuel Delivery Type: FI; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1985 | Plymouth | Caravelle | — | Aspiration: Turbo; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1986–1987 | Plymouth | Caravelle | — | Engine: 2.2 L4; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1986–1987 | Plymouth | Caravelle | — | Engine: 2.5 L4; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1985 | Plymouth | Caravelle | — | Engine VIN: P; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1986–1987 | Plymouth | Caravelle | — | Engine: 5.2 V8; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1983–1984 | Plymouth | Caravelle | — | Engine: 2.2 L4; OE Equivalent Design, Gap 0.035in |
| 1980–1984 | Plymouth | Caravelle | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1973–1974 | Plymouth | Cuda | — | Engine: 5.2 V8; Gap 0.035in |
| 1971–1973 | Plymouth | Cuda | — | Engine: 5.6 V8; Gap 0.035in |
| 1971–1974 | Plymouth | Cuda | — | Engine: 5.9 V8; Gap 0.035in |
| 1958 | Plymouth | Custom | — | Engine: 5.2 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1958 | Plymouth | Custom | — | Engine: 5.7 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1970–1971 | Plymouth | Duster | — | Engine VIN: C; Engine: 3.7 L6; Gap 0.035in |
| 1970–1974 | Plymouth | Duster | — | Engine: 3.2 L6; Gap 0.035in |
| 1972–1973 | Plymouth | Duster | — | Engine: 3.7 L6; Gap 0.035in |
| 1970–1976 | Plymouth | Duster | — | Engine: 5.2 V8; Gap 0.035in |
| 1970–1973 | Plymouth | Duster | — | Engine: 5.6 V8; Gap 0.035in |
| 1974–1976 | Plymouth | Duster | — | Engine: 5.9 V8; Gap 0.035in |
| 1988–1989 | Plymouth | Expo | — | Gap 0.035in |
| 1987 | Plymouth | Expo | — | OE Equivalent Design, Gap 0.035in |
| 1960–1963 | Plymouth | Fleet Special | — | Engine: 3.7 L6; Gap 0.035in |
| 1968, 1970–1974 | Plymouth | Fury | — | Engine: 3.7 L6; Gap 0.035in |
| 1975 | Plymouth | Fury | — | Engine VIN: G; Gap 0.035in |
| 1975 | Plymouth | Fury | — | Engine VIN: J; Gap 0.035in |
| 1975 | Plymouth | Fury | — | Engine VIN: K; Gap 0.035in |
| 1975 | Plymouth | Fury | — | Engine VIN: L; Gap 0.035in |
| 1965 | Plymouth | Fury | — | Engine: 4.5 V8; Gap 0.035in |
| 1968–1974, 1976–1978 | Plymouth | Fury | — | Engine: 5.2 V8; Gap 0.035in |
| 1971–1974, 1976–1978 | Plymouth | Fury | — | Engine: 5.9 V8; Gap 0.035in |
| 1968–1974 | Plymouth | Fury I | — | Engine: 3.7 L6; Gap 0.035in |
| 1968–1974 | Plymouth | Fury I | — | Engine: 5.2 V8; Gap 0.035in |
| 1971–1974 | Plymouth | Fury I | — | Engine: 5.9 V8; Gap 0.035in |
| 1968–1971 | Plymouth | Fury II | — | Engine: 3.7 L6; Gap 0.035in |
| 1968–1973 | Plymouth | Fury II | — | Engine: 5.2 V8; Gap 0.035in |
| 1971–1974 | Plymouth | Fury II | — | Engine: 5.9 V8; Gap 0.035in |
| 1968–1973 | Plymouth | Fury III | — | Engine: 3.7 L6; Gap 0.035in |
| 1968–1974 | Plymouth | Fury III | — | Engine: 5.2 V8; Gap 0.035in |
| 1971–1974 | Plymouth | Fury III | — | Engine: 5.9 V8; Gap 0.035in |
| 1988–1989 | Plymouth | Gran Fury | — | Gap 0.035in |
| 1975 | Plymouth | Gran Fury | — | Engine VIN: G; Gap 0.035in |
| 1975 | Plymouth | Gran Fury | — | Engine VIN: J; Gap 0.035in |
| 1975 | Plymouth | Gran Fury | — | Engine VIN: K; Gap 0.035in |
| 1974 | Plymouth | Gran Fury | — | Engine VIN: N; Engine: 6.6 V8; Gap 0.035in |
| 1972–1974, 1976–1977 | Plymouth | Gran Fury | — | Engine: 5.2 V8; Gap 0.035in |
| 1972–1974, 1976–1977 | Plymouth | Gran Fury | — | Engine: 5.9 V8; Gap 0.035in |
| 1985–1987 | Plymouth | Gran Fury | — | OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1984 | Plymouth | Gran Fury | — | OE Equivalent Design, Gap 0.035in |
| 1980–1983 | Plymouth | Gran Fury | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1980 | Plymouth | Gran Fury | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1988 | Plymouth | Grand Voyager | — | Engine: 2.5 L4; Gap 0.035in |
| 1987 | Plymouth | Grand Voyager | — | Engine: 2.5 L4; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1968 | Plymouth | GTX | — | Engine: 5.2 V8; Gap 0.035in |
| 1967–1971 | Plymouth | GTX | — | Engine: 7.0 V8; Gap 0.035in |
| 1978–1979, 1988–1990 | Plymouth | Horizon | — | Gap 0.035in |
| 1985–1987 | Plymouth | Horizon | — | OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1980–1982, 1984 | Plymouth | Horizon | — | OE Equivalent Design, Gap 0.035in |
| 1983 | Plymouth | Horizon | — | Engine VIN: A; OE Equivalent Design, Gap 0.035in |
| 1983 | Plymouth | Horizon | — | Engine VIN: B; OE Equivalent Design, Gap 0.035in |
| 1983 | Plymouth | Horizon | — | Engine VIN: C; OE Equivalent Design, Gap 0.035in |
| 1975–1979 | Plymouth | PB100 | — | Engine: 5.2 V8; Gap 0.035in |
| 1976–1978 | Plymouth | PB100 | — | Engine: 5.9 V8; Gap 0.035in |
| 1980 | Plymouth | PB100 | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1974 | Plymouth | PB100 Van | — | Engine: 5.2 V8; Gap 0.035in |
| 1974 | Plymouth | PB100 Van | — | Engine: 5.9 V8; Gap 0.035in |
| 1981, 1983 | Plymouth | PB150 | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1979 | Plymouth | PB200 | — | Gap 0.035in |
| 1975–1978 | Plymouth | PB200 | — | Engine: 5.2 V8; Gap 0.035in |
| 1975–1978 | Plymouth | PB200 | — | Engine: 5.9 V8; Gap 0.035in |
| 1980 | Plymouth | PB200 | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1980 | Plymouth | PB200 | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1974 | Plymouth | PB200 Van | — | Engine: 5.2 V8; Gap 0.035in |
| 1974 | Plymouth | PB200 Van | — | Engine: 5.9 V8; Gap 0.035in |
| 1981–1983 | Plymouth | PB250 | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1981 | Plymouth | PB250 | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1975, 1979 | Plymouth | PB300 | — | Gap 0.035in |
| 1976–1978 | Plymouth | PB300 | — | Engine: 5.2 V8; Gap 0.035in |
| 1976–1978 | Plymouth | PB300 | — | Engine: 5.9 V8; Gap 0.035in |
| 1980 | Plymouth | PB300 | — | OE Equivalent Design, Gap 0.035in |
| 1974 | Plymouth | PB300 Van | — | Engine: 5.2 V8; Gap 0.035in |
| 1974 | Plymouth | PB300 Van | — | Engine: 5.9 V8; Gap 0.035in |
| 1981–1983 | Plymouth | PB350 | — | OE Equivalent Design, Gap 0.035in |
| 1988–1989 | Plymouth | Reliant | — | Gap 0.035in |
| 1986–1987 | Plymouth | Reliant | — | OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1985 | Plymouth | Reliant | — | Engine: 2.2 L4; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1981–1984 | Plymouth | Reliant | — | Engine: 2.2 L4; OE Equivalent Design, Gap 0.035in |
| 1975 | Plymouth | Road Runner | — | Engine VIN: G; Gap 0.035in |
| 1975 | Plymouth | Road Runner | — | Engine VIN: K; Gap 0.035in |
| 1975 | Plymouth | Road Runner | — | Engine VIN: L; Gap 0.035in |
| 1968 | Plymouth | Road Runner | — | Engine: 4.5 V8; Gap 0.035in |
| 1968, 1971–1974 | Plymouth | Road Runner | — | Engine: 5.2 V8; Gap 0.035in |
| 1971–1973 | Plymouth | Road Runner | — | Engine: 5.6 V8; Gap 0.035in |
| 1974 | Plymouth | Road Runner | — | Engine: 5.9 V8; Gap 0.035in |
| 1968–1971 | Plymouth | Road Runner | — | Engine: 7.0 V8; Gap 0.035in |
| 1967 | Plymouth | Satellite | — | Engine: 5.2 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1965 | Plymouth | Satellite | — | Engine: 7.0 V8; 3/4in Reach Spark Plugs, Gap 0.035in |
| 1965–1966 | Plymouth | Satellite | — | Engine: 4.5 V8; Except H.O. Engine, Gap 0.035in |
| 1970–1974 | Plymouth | Satellite | — | Engine: 3.7 L6; Gap 0.035in |
| 1967–1968 | Plymouth | Satellite | — | Engine: 4.5 V8; Gap 0.035in |
| 1968–1974 | Plymouth | Satellite | — | Engine: 5.2 V8; Gap 0.035in |
| 1970–1973 | Plymouth | Satellite | — | Engine: 5.6 V8; Gap 0.035in |
| 1971–1974 | Plymouth | Satellite | — | Engine: 5.9 V8; Gap 0.035in |
| 1964 | Plymouth | Savoy | — | Engine: 4.5 V8; Gap 0.035in |
| 1971–1974 | Plymouth | Scamp | — | Engine: 3.2 L6; Gap 0.035in |
| 1971–1974 | Plymouth | Scamp | — | Engine: 3.7 L6; Gap 0.035in |
| 1971–1976 | Plymouth | Scamp | — | Engine: 5.2 V8; Gap 0.035in |
| 1983 | Plymouth | Scamp | — | OE Equivalent Design, Gap 0.035in |
| 1988–1991 | Plymouth | Sundance | — | Gap 0.035in |
| 1992–1994 | Plymouth | Sundance | — | Engine: 2.2 L4; Gap 0.035in |
| 1992–1994 | Plymouth | Sundance | — | Engine: 2.5 L4; Gap 0.035in |
| 1987 | Plymouth | Sundance | — | OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1970 | Plymouth | Superbird | — | Engine: 7.0 V8; Gap 0.035in |
| 1974 | Plymouth | Trailduster | — | Engine: 3.7 L6; Gap 0.035in |
| 1974–1979 | Plymouth | Trailduster | — | Engine: 5.2 V8; Gap 0.035in |
| 1974–1979 | Plymouth | Trailduster | — | Engine: 5.9 V8; Gap 0.035in |
| 1981 | Plymouth | Trailduster | — | OE Equivalent Design, Gap 0.035in |
| 1980 | Plymouth | Trailduster | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1980 | Plymouth | Trailduster | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1985 | Plymouth | Turismo | — | Engine VIN: A; OE Equivalent Design, Gap 0.035in |
| 1966, 1968–1971 | Plymouth | Valiant | — | Engine: 2.8 L6; Gap 0.035in |
| 1970–1974 | Plymouth | Valiant | — | Engine: 3.2 L6; Gap 0.035in |
| 1965–1974 | Plymouth | Valiant | — | Engine: 3.7 L6; Gap 0.035in |
| 1964–1969 | Plymouth | Valiant | — | Engine: 4.5 V8; Gap 0.035in |
| 1968–1976 | Plymouth | Valiant | — | Engine: 5.2 V8; Gap 0.035in |
| 1970–1973 | Plymouth | Valiant | — | Engine: 5.6 V8; Gap 0.035in |
| 1971–1974, 1976 | Plymouth | Valiant | — | Engine: 5.9 V8; Gap 0.035in |
| 1976–1979 | Plymouth | Volare | — | Engine: 5.2 V8; Gap 0.035in |
| 1976–1979 | Plymouth | Volare | — | Engine: 5.9 V8; Gap 0.035in |
| 1980 | Plymouth | Volare | — | Engine: 5.2 V8; OE Equivalent Design, Gap 0.035in |
| 1980 | Plymouth | Volare | — | Engine: 5.9 V8; OE Equivalent Design, Gap 0.035in |
| 1994–1995 | Plymouth | Voyager | — | Engine: 2.5 L4; Fuel Type: Gas; Gap 0.035in |
| 1988–1993 | Plymouth | Voyager | — | Engine: 2.5 L4; Gap 0.035in |
| 1985–1987 | Plymouth | Voyager | — | Engine: 2.2 L4; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1987 | Plymouth | Voyager | — | Engine: 2.5 L4; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.035in |
| 1984 | Plymouth | Voyager | — | Engine: 2.2 L4; OE Equivalent Design, Gap 0.035in |
| 1970 | Pontiac | Acadian | — | Engine: 2.5 L4; OE Equivalent Design, Gap 0.035in |
| 1967 | Pontiac | Firebird | — | Engine: 3.8 L6; Gap 0.035in |
| 1968–1969 | Pontiac | Firebird | — | Engine: 4.1 L6; Gap 0.035in |
| 1964–1965 | Pontiac | LeMans | — | Engine: 3.5 L6; Gap 0.035in |
| 1967 | Pontiac | LeMans | — | Engine: 3.8 L6; Gap 0.035in |
| 1968–1969 | Pontiac | LeMans | — | Engine: 4.1 L6; Gap 0.035in |
| 1989–1990 | Pontiac | LeMans | — | Engine: 2.0 L4; Gap 0.045in |
| 1988–1990 | Pontiac | Optima | — | Engine: 2.0 L4; Gap 0.045in |
| 1959, 1961 | Pontiac | Parisienne | — | Engine: 5.7 V8; Gap 0.035in |
| 1960 | Pontiac | Parisienne | — | Engine: 5.7 V8; OE Equivalent Design, Gap 0.035in |
| 1989–1990 | Pontiac | Sunbird | — | Aspiration: Normal; Gap 0.045in |
| 1991 | Pontiac | Sunbird | — | Engine: 2.0 L4; Gap 0.045in |
| 1964–1965 | Pontiac | Tempest | — | Engine: 3.5 L6; Gap 0.035in |
| 1967 | Pontiac | Tempest | — | Engine: 3.8 L6; Gap 0.035in |
| 1968–1969 | Pontiac | Tempest | — | Engine: 4.1 L6; Gap 0.035in |
| 1975–1979 | Rolls-Royce | Camargue | — | Gap 0.035in |
| 1980–1987 | Rolls-Royce | Camargue | — | OE Equivalent Design, Gap 0.035in |
| 1971–1974 | Rolls-Royce | Corniche | — | Engine: 6.2 V8; Gap 0.025in |
| 1975–1979 | Rolls-Royce | Corniche | — | Gap 0.035in |
| 1971–1974 | Rolls-Royce | Corniche | — | Engine: 6.8 V8; Gap 0.035in |
| 1980–1983 | Rolls-Royce | Corniche | — | OE Equivalent Design, Gap 0.035in |
| 1960–1967 | Rolls-Royce | Phantom | — | Engine: 6.2 V8; Gap 0.025in |
| 1955–1958 | Rolls-Royce | Silver Cloud | — | Engine: 4.9 L6; Gap 0.025in |
| 1959–1965 | Rolls-Royce | Silver Cloud | — | Engine: 6.2 V8; Gap 0.025in |
| 1966–1974 | Rolls-Royce | Silver Shadow | — | Engine: 6.2 V8; Gap 0.025in |
| 1975–1976 | Rolls-Royce | Silver Shadow | — | Gap 0.035in |
| 1970–1974 | Rolls-Royce | Silver Shadow | — | Engine: 6.8 V8; Gap 0.035in |
| 1977–1979 | Rolls-Royce | Silver Shadow II | — | Gap 0.035in |
| 1980 | Rolls-Royce | Silver Shadow II | — | OE Equivalent Design, Gap 0.035in |
| 1981–1986 | Rolls-Royce | Silver Spirit | — | OE Equivalent Design, Gap 0.035in |
| 1981–1986 | Rolls-Royce | Silver Spur | — | OE Equivalent Design, Gap 0.035in |
| 1955–1958 | Rolls-Royce | Silver Wraith | — | Engine: 4.9 L6; Gap 0.025in |
| 1977–1979 | Rolls-Royce | Silver Wraith II | — | Gap 0.035in |
| 1980 | Rolls-Royce | Silver Wraith II | — | OE Equivalent Design, Gap 0.035in |
Source: supplier-verified applications for NGK 2635. A vehicle not listed is not confirmed compatible.
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