NGK Spark Plug 6664

XPart Number XP11120204

Price: $18.26

Available by special order

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Frequently Bought Together

AUTOMOTIVE PART

NGK Spark Plug 6664

Spark Plug, B7EVIX NGK, Iridium-IX

Part 6664NGKSpark Plug

Match your exact vehicle configuration to the verified applications below.
Confirm the year, make, model, engine, drivetrain and required position before ordering.

Is This the Right Part?

Manufacturer Part Number6664

ManufacturerNGK

Part TypeSpark Plug

Part Details

Part Specifications

Center Electrode Core Material	Copper
Center Electrode Tip Material	Iridium
Electrical Terminal Type	Removable Nut
Ground Configuration	J-Gap
Ground Electrode Core Material	Nickel
Ground Electrode Quantity	1
Ground Electrode Tip Design	Taper Cut
Hex Size	13/16"
Insulator Height	2.20 IN
Insulator Material	Ceramic
Manufacturer Heat Range	7
Material Grade	Iridium
Part Number	BR7EIX
Pre-Gap Size	.032 IN
Prop65	NA
Reach	0.750 IN
Resistance	5000.0 82
Resistor Type	Yes
Seat Type	Flat
Short Style Spark Plug	No
Stock Number	6664
Thread Diameter	0.551 IN
Thread Diameter	14.0 MM

Verified Vehicle Fitment

Make: Benelli, Gas Gas, Harley-Davidson, Honda, Husaberg, Husqvarna, KTM, Kawasaki, MG, Porsche, Scorpion, Sea-Doo, Sherco, Ski-Doo, Suzuki, Yamaha
Model: 93 verified models — see exact combinations below.
Years: 1959, 1965–2004, 2006–2025 — 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 (99 configuration groups)

Years	Make	Model	Position	Engine / transmission / notes
2008–2009	Benelli	Velvet 125	—	Engine: - --; 2C, Gap 0.020in
2023–2025	Gas Gas	EC 250	—	Engine: - --; Gap 0.028in
2023–2025	Gas Gas	EC 300	—	Engine: - --; Gap 0.028in
2025	Gas Gas	EC 300 GP	—	Engine: - --; Gap 0.028in
2023	Gas Gas	EX 250	—	Engine: - --; Gap 0.028in
2023	Gas Gas	EX 300	—	Engine: - --; Gap 0.028in
1974–1975	Harley-Davidson	SX125	—	Engine: - --; Gap 0.020in
1979	Honda	Accord	—	Gap 0.032in
1977–1980	Honda	FL250 Odyssey	—	Engine: - --; Gap 0.032in
1989–1990	Honda	FL400R Pilot	—	Engine: - --; Gap 0.032in
1979	Honda	Prelude	—	Gap 0.032in
1980	Honda	Prelude	—	with Federal Emissions System, Gap 0.032in
1973–1978	Honda	XL175	—	Engine: - --; Gap 0.028in
2011–2014	Husaberg	TE250	—	Engine: - --; Gap 0.028in
2011–2014	Husaberg	TE300	—	Engine: - --; Gap 0.028in
2014–2018, 2024–2025	Husqvarna	TE250	—	Engine: - --; Gap 0.028in
2020–2022	Husqvarna	TE250i	—	Engine: - --; Gap 0.028in
2014–2018, 2024–2025	Husqvarna	TE300	—	Engine: - --; Gap 0.028in
2023, 2025	Husqvarna	TE300 Heritage	—	Engine: - --; Gap 0.028in
2024–2025	Husqvarna	TE300 Pro	—	Engine: - --; Gap 0.028in
2020–2023	Husqvarna	TE300i	—	Engine: - --; Gap 0.028in
2017–2019	Husqvarna	TX300	—	Engine: - --; Gap 0.028in
2020	Husqvarna	TX300i	—	Engine: - --; Gap 0.028in
1989–1992	Kawasaki	JB650 Jet Mate	—	Engine: - --; Gap 0.032in
1989–1996	Kawasaki	JF650 TS	—	Engine: - --; Gap 0.032in
1986, 1988–1995	Kawasaki	JF650 X2	—	Engine: - --; Gap 0.032in
1991–1995	Kawasaki	JL650 SC	—	Engine: - --; Gap 0.032in
1986–1988	Kawasaki	JS300	—	Engine: - --; Gap 0.032in
1987–1991	Kawasaki	JS300 300SX	—	Engine: - --; Gap 0.032in
1976	Kawasaki	JS400	—	Engine: - --; Gap 0.020in
1977–1992	Kawasaki	JS440	—	Engine: - --; Gap 0.032in
1987–1993	Kawasaki	JS650 650SX	—	Engine: - --; Gap 0.032in
1980–1982	Kawasaki	KE175	—	Engine: - --; Gap 0.028in
1978–1982	Kawasaki	KL250	—	Engine: - --; Gap 0.030in
1983	Kawasaki	KL250	—	Engine: - --; Gap 0.032in
1981–1984	Kawasaki	KLT200	—	Engine: - --; Gap 0.032in
1979–1980	Kawasaki	KLX250	—	Engine: - --; Gap 0.032in
1978	Kawasaki	KZ200	—	Engine: - --; Gap 0.032in
1974–1977	Kawasaki	KZ400/D	—	Engine: - --; Gap 0.032in
1977–1978	Kawasaki	KZ400A Deluxe	—	Engine: - --; Gap 0.032in
1978–1979	Kawasaki	KZ400B	—	Engine: - --; Gap 0.032in
1978	Kawasaki	KZ400C Special	—	Engine: - --; Gap 0.032in
1979	Kawasaki	KZ400H LTD	—	Engine: - --; Gap 0.032in
1975–1977	Kawasaki	KZ400S Special	—	Engine: - --; Gap 0.032in
1980–1982	Kawasaki	KZ440A LTD	—	Engine: - --; Gap 0.028in
1980–1981	Kawasaki	KZ440B/G	—	Engine: - --; Gap 0.028in
1980–1983	Kawasaki	KZ440D LTD Belt	—	Engine: - --; Gap 0.028in
1977–1980	Kawasaki	KZ650B/F	—	Engine: - --; Gap 0.032in
1977–1979	Kawasaki	KZ650C Custom	—	Engine: - --; Gap 0.032in
1980	Kawasaki	KZ650E LTD	—	Engine: - --; Gap 0.032in
1966–1967	Kawasaki	W1	—	Engine: - --; Gap 0.032in
1968–1969	Kawasaki	W2SS Commander	—	Engine: - --; Gap 0.032in
1969	Kawasaki	W2TT Commander	—	Engine: - --; Gap 0.032in
2006–2019	KTM	250 XC	—	Engine: - --; Gap 0.028in
2020–2022	KTM	250 XC TPI	—	Engine: - --; Gap 0.024in
2023–2025	KTM	250 XC-W	—	Engine: - --; Gap 0.024in
2006–2018	KTM	250 XC-W	—	Engine: - --; Gap 0.028in
2020–2022	KTM	250 XC-W TPI	—	Engine: - --; Gap 0.024in
2006–2019	KTM	300 XC	—	Engine: - --; Gap 0.028in
2021–2022	KTM	300 XC TPI	—	Engine: - --; Gap 0.024in
2023–2025	KTM	300 XC-W	—	Engine: - --; Gap 0.024in
2006–2018	KTM	300 XC-W	—	Engine: - --; Gap 0.028in
2025	KTM	300 XC-W Champion Edition	—	Engine: - --; Gap 0.024in
2024	KTM	300 XC-W ERZBERGRODEO	—	Engine: - --; Gap 0.024in
2025	KTM	300 XC-W Factory Edition	—	Engine: - --; Gap 0.024in
2025	KTM	300 XC-W Hardenduro	—	Engine: - --; Gap 0.024in
2017–2018	KTM	300 XC-W Six Days	—	Engine: - --; Gap 0.024in
2016	KTM	300 XC-W Six Days	—	Engine: - --; Gap 0.028in
2020–2022	KTM	300 XC-W TPI	—	Engine: - --; Gap 0.024in
2020–2022	KTM	300 XC-W TPI ERZBERGRODEO	—	Engine: - --; Gap 0.024in
2020	KTM	300 XC-W TPI Six Days	—	Engine: - --; Gap 0.024in
2015–2017	KTM	Freeride 250 R	—	Engine: - --; Gap 0.028in
1959	MG	MGA	—	Engine: 1.5 L4; Gap 0.025in
1965–1967	Porsche	911	—	Engine: 2.0 H6; Gap 0.032in
1979	Scorpion	Whip 340PR	—	Engine: - --; 2F340-6, Gap 0.020in
1990–1991	Sea-Doo	GT	—	Engine: - --; Gap 0.028in
1989–1996	Sea-Doo	SP	—	Engine: - --; Gap 0.028in
1993–1996	Sea-Doo	SPI	—	Engine: - --; Gap 0.032in
2023–2025	Sherco	250 SE Factory	—	Engine: - --; Gap 0.032in
2023–2025	Sherco	300 SE Factory	—	Engine: - --; Gap 0.032in
1983–1987	Ski-Doo	Alpine	—	Engine: - --; Gap 0.016in
1984	Ski-Doo	Blizzard 5500 MX	—	Engine: - --; Gap 0.020in
1982–1983	Ski-Doo	Everest 500	—	Engine: - --; Gap 0.016in
1982–1983	Ski-Doo	Everest 500E	—	Engine: - --; Gap 0.016in
1979–1980	Suzuki	DS185	—	Engine: - --; Gap 0.032in
1996–2000	Suzuki	DS80	—	Engine: - --; Gap 0.028in
1972–1973	Suzuki	GT380	—	Engine: - --; Gap 0.028in
1972–1974	Suzuki	GT550	—	Engine: - --; Gap 0.028in
2001–2004	Suzuki	JR80	—	Engine: - --; Gap 0.028in
1974–1975	Suzuki	RL250	—	Engine: - --; Gap 0.032in
1977	Suzuki	RM80	—	Engine: - --; Gap 0.032in
1970–1976	Suzuki	TS250	—	Engine: - --; Gap 0.032in
1976, 1978–1983	Yamaha	DT100	—	Engine: - --; Gap 0.032in
1974	Yamaha	GP246	—	Engine: - --; Gap 0.016in
1979–1983	Yamaha	MX100	—	Engine: - --; Gap 0.032in
1990–1999	Yamaha	RT100	—	Engine: - --; Gap 0.022in
2000	Yamaha	RT100	—	Engine: - --; Gap 0.028in
1975, 1979	Yamaha	TY175	—	Engine: - --; Gap 0.024in
1974–1977	Yamaha	TY250	—	Engine: - --; Gap 0.032in

Source: supplier-verified applications for NGK 6664. A vehicle not listed is not confirmed compatible.

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Benelli Velvet 125

NGK Spark Plug 6664

Buying Options: OEM Genuine

Frequently Bought Together

NGK Spark Plug 6664

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Part Details

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