NGK Spark Plugs Parts and Accessories

With NGK Spark Plugs available for many applications ranging from lawn mowers to high performance race vehicles, plus innovations like the world’s first copper-core...

With NGK Spark Plugs available for many applications ranging from lawn mowers to high performance race vehicles, plus innovations like the world’s first copper-core plug and iridium center electrode, it’s no surprise that NGK Spark Plugs makes the preferred spark plugs for more original equipment manufacturers and performance enthusiasts than any other. Summit Racing carries a large in-stock selection of NGK Spark Plugs, including NGK Platinum spark plugs, NGK Iridium IX spark plugs, NGK spark plug wire sets, NGK spark plug caps, and much more! NGK Spark Plugs has been lighting up the industry since 1936....

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Results 1 - 25 of 2000 +

NGK Iridium IX Spark Plugs for 2006-2009 STS, XLR - TR7IX

Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-3690

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Tomorrow

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NGK Iridium IX Spark Plugs LFR5AIX-11

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, 1.043 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-4469

4.86 out of 5 stars ( 14 )

Estimated Ship Date: Tomorrow

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NGK Racing Spark Plugs R5672A-8

Spark Plug, Racing, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Non-Resistor, Each

Part Number: NGK-7173

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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NGK Iridium IX Spark Plugs LTR6IX-11

Spark Plug, IX Iridium, 14mm Thread, 0.984 in. Reach, 5/8 in. Hex, Tapered Seat, Resistor, Each

Part Number: NGK-6509

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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NGK Racing Spark Plugs R7437-9

Spark Plug, Gasket Seat, 14mm, 1.040 in. Reach, R7437-9, Resistor, Projected Tip, Each

Part Number: NGK-4654

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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NGK Racing Spark Plugs R5673-8

Spark Plug, Racing, Tapered Seat, 14mm Thread, .460 in. Reach, Non-Resistor, Each

Part Number: NGK-3249

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Aug 22, 2025 if ordered today

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Estimated Ship Date: Aug 22, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Motorcraft Platinum Spark Plugs ASF32PX

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Estimated Ship Date: Tomorrow

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NGK Racing Spark Plugs R5672A-9

Spark Plug, Racing, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7405

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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NGK Iridium IX Spark Plugs BKR9EIX

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-2669

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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NGK Iridium IX Spark Plugs LFR7AIX

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, 1.043 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-2309

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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NGK Racing Spark Plugs R5724-8

Spark Plug, Racing, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Non-Resistor, Each

Part Number: NGK-7317

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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NGK Ruthenium HX Spark Plugs TR5AHX

Spark Plugs, Ruthenium HX, Platinum, Resistor, 14mm Thread Size, 0.708 in. Reach, Tapered Seat, Each

Part Number: NGK-94567

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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NGK Racing Spark Plugs R5673-7

Spark Plug, Racing, Tapered Seat, 14mm Thread, .460 in. Reach, Non-Resistor, Each

Part Number: NGK-2817

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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NGK Air/Fuel Ratio Monitors TA0001-WW002

Gauge, Digital, Air/Fuel Ratio Monitor, 9:1-20:1 Air/Fuel Ratio Range, Black Face, Red Numbers, Each

Part Number: NGK-90067

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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NGK V-Power Spark Plugs WR5

Spark Plug, V-Power, Tapered Seat, 18mm Thread, .429 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-2438

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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NGK Laser Platinum Spark Plugs LZTR6AP11EG

Spark Plug, Laser Platinum, Tapered Seat, 14mm Thread, 25mm Reach, Resistor, Each

Part Number: NGK-97408

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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NGK Laser Iridium High Ignitability Spark Plugs SILZKR7B11

Spark Plug, Laser Iridium, Gasket Seat, 12mm Thread Size, 26.5mm Reach, Resistor, Each

Part Number: NGK-9723

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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NGK Iridium IX Spark Plugs BKR7EIX

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-2667

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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NGK Iridium IX Spark Plugs UR4IX

Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7401

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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NGK Iridium IX Spark Plugs TR8IX

Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-3691

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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NGK Racing Spark Plugs R7438-9

Spark Plug, Racing Plugs, Non Projected, 14mm Thread, 26.5mm Reach, 5/8 in. Hex, Gasket Seat, Each

Part Number: NGK-4656

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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NGK Laser Iridium Spark Plugs ILTR5E11

Spark Plug, Laser Iridium, Tapered Seat, 14mm Thread Size, 25mm Reach, Resistor, Each

Part Number: NGK-91418

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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NGK Racing Spark Plugs R6061-11

Spark Plug, Racing, 14mm Thread, .750 in. Reach, 13/16 Hex, Gasket Seat, Non-Resistor, Each

Part Number: NGK-2773

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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NGK Standard Series Spark Plugs YR5

Spark Plug, Standard Series, Tapered Seat, 14mm Thread, .460 in. Reach, Resistor, Each

Part Number: NGK-7052

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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NGK Iridium IX Spark Plugs LKR7DIX-11S

Spark Plug, IX Iridium, 12mm Thread, 1.040 in. Reach, 5/8 in. Hex, Gasket Seat, Resistor, Each

Part Number: NGK-93175

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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NGK Iridium IX Spark Plugs XR5IX

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .375 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7355

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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