Performance & Replacement Spark Plugs at Summit Racing

NGK Ruthenium HX Spark Plugs LTR6AHX

Spark Plug, Ruthenium HX, 14mm Thread, 25mm. Reach, Resistor, Tapered Seat, Each

Part Number: NGK-91276

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

NGK Standard Series Spark Plugs for 1994-1996 XJ12, 1993 XJRS, 1994-1995 XJS - BR6EF

Spark Plug, Standard Series, Tapered Seat, 14mm Thread, .708 in. Reach, Resistor, Each

Part Number: NGK-3177

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Autolite Racing Spark Plugs R13

Spark Plug, Racing, Copper Core, Tapered Seat, 14mm Thread, 0.433 in. Reach, Each

Part Number: ATL-AR13

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

NGK Racing Spark Plugs R5674-9

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

Part Number: NGK-6468

5.0 out of 5 stars ( 1 )

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NGK Standard Series Spark Plugs BPR5ES

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

Part Number: NGK-7734

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Autolite Copper Core Spark Plugs 216

Spark Plug, Copper Core, Gasket Seat, 14mm Thread, .437 in. Reach, Non-Projected Tip, Non-Resistor, Each

Part Number: ATL-216

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Autolite Copper Core Spark Plugs 303

Spark Plug, Copper Core, Gasket Seat, 14mm Thread, 0.375 in. Reach, Resistor, Each

Part Number: ATL-303

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Brisk Silver Racing Spark Plugs RR15YS

Spark Plugs, Silver Racing, Silver, 14mm Thread Size, 25mm Reach, Tapered Seat, 15 Heat Range, Resistor, Each

Part Number: BIK-RR15YS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Autolite Racing Spark Plugs R33

Spark Plug, Racing, Copper Core, Tapered Seat, 18mm Thread, 0.438 in. Reach, Each

Part Number: ATL-AR33

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Champion Copper Plus Spark Plugs 406

Spark Plug, RV12YC, Copper Plus, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-406

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

NGK Standard Series Spark Plugs BPR8ES

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

Part Number: NGK-3923

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

NGK Racing Spark Plugs R7434-10

Spark Plug, Racing Plugs, Non Projected, 14mm Thread, 0.750 in. Reach, 5/8 in. Hex, Each

Part Number: NGK-4894

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Champion Platinum Power Spark Plugs 3018

Spark Plug, Platinum Power, 14mm Thread, .460 in. Reach, Resistor, Each

Part Number: CPN-3018

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Brisk Premium LGS Spark Plugs DO10LGS-T

Spark Plug, Premium LGS, Silver, 14mm Thread, 0.750 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: BIK-DO10LGS-T

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

NGK Standard Series Spark Plugs BPR7ES

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

Part Number: NGK-5534

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

APR Iridium Pro Spark Plugs Z1003100

Spark Plugs, Iridium Pro, 14mm Thread, 26.5mm Reach, 9 Heat Range, Resistor, Non-projected, Gasket Seat, Audi, Bentley, Porsche, Volkswagen, Each

Part Number: AXR-Z1003100

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

NGK Laser Iridium High Ignitability Spark Plugs DILKAR7H11GS

Spark Plugs, Laser Iridium, Copper, Resistor, 12mm Thread Size, 26.5 Reach, Flat Seat, Each

Part Number: NGK-96964

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Autolite Racing Spark Plugs R3931

Spark Plug, Racing, Copper Core, Gasket Seat, 14mm Thread, 0.750 in. Reach, Each

Part Number: ATL-AR3931

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Champion Platinum Power Spark Plugs 3405

Spark Plug, Platinum Power, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-3405

4.62 out of 5 stars ( 13 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

ACDelco Gold Platinum Spark Plugs 19301808

Spark Plug, Professional, Platinum Tip, Tapered Seat, 14mm Thread, Resistor, Each

Part Number: ADO-41-906

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

NGK Iridium IX Spark Plugs ZFR5FIX-11

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

Part Number: NGK-2477

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

E3 Spark Plugs E3.58

Spark Plug, E3, Gasket Seat, 14mm Thread, 0.750 in. Reach, Projected Tip, Resistor, Each

Part Number: ETP-E3-58

4.53 out of 5 stars ( 19 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

NGK Standard Series Spark Plugs AP8FS

Spark Plug, Standard Series, Tapered Seat, 18mm Thread, .460 in. Reach, Projected Tip, Non-Resistor, Each

Part Number: NGK-2227

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

NGK Laser Iridium Spark Plugs for 2007-2015 COOPER, 2011-2016 COOPER COUNTRYMAN, 2013-2016 COOPER PACEMAN - ILZKBR7B8G

Spark Plug, Iridium Tip, Copper Core, 12mm thread, 26.5mm reach, 14mm Hex, Each

Part Number: NGK-97968

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

NGK Laser Iridium Spark Plugs IFR6T11

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

Part Number: NGK-4589

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025