Performance & Replacement Spark Plugs at Summit Racing

NGK Ruthenium HX Spark Plugs LKAR8BHX

Spark Plug, Ruthenium HX, Copper Core, Projected, 12mm Thread Size, 26.5mm Reach, Gasket Seat, Each

Part Number: NGK-91784

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Brisk Silver Racing Spark Plugs RR15S

Spark Plug, Silver Racing, Silver, 14mm Thread, 0.984 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: BIK-RR15S

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ACDelco Conventional Resistor Spark Plugs 19369868

Spark Plug, Conventional Resistor, Nickel Alloy Tip, Tapered Seat, 14mm Thread, Each

Part Number: ADO-CR45TS

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E3 Spark Plugs E3.53

Spark Plug, E3, Tapered Seat, 14mm Thread, 0.708 in. Reach, Projected Tip, Resistor, Each

Part Number: ETP-E3-53

4.58 out of 5 stars ( 24 )

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NGK Standard Series Spark Plugs BKR5EKB-11

Spark Plug, Standard Series, 14mm Thread, .750 in. Reach, 5/8 in. Hex, Gasket Seat, Resistor, Each

Part Number: NGK-3967

5.0 out of 5 stars ( 2 )

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ACDelco RAPIDFIRE Performance Platinum Spark Plugs 19308032

Spark Plug, AC Delco, Platinum, Tapered Seat, 14mm Thread, .625 in. Reach, Resistor, Each

Part Number: ADO-12

5.0 out of 5 stars ( 5 )

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E3 Spark Plugs E3.66

Spark Plug, E3, Tapered Seat, 14mm Thread, 1.000 in. Reach, Projected Tip, Resistor, Each

Part Number: ETP-E3-66

4.24 out of 5 stars ( 17 )

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NGK Standard Series Spark Plugs B-4

Spark Plug, Gasket Seat, 14mm Thread, .375 in. Reach, Non-Resistor, Each

Part Number: NGK-3210

4.0 out of 5 stars ( 1 )

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NGK G-Power Platinum Spark Plugs UR45GP

Spark Plug, GP Platinum, 14mm Thread, .460 in. Reach, 5/8 in. Hex, Tapered Seat, Resistor, Each

Part Number: NGK-3207

5.0 out of 5 stars ( 2 )

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Brisk Silver Racing Spark Plugs QR08S

Spark Plugs, Silver Racing, Silver, 12mm Thread Size, 26.1mm Reach, Gasket Seat, 8 Heat Range, Resistor, Each

Part Number: BIK-QR08S

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NGK Standard Series Spark Plugs AB-6

Spark Plug, Standard Series, Gasket Seat, 18mm Thread, .375 in. Reach, Non-Resistor, Each

Part Number: NGK-2910

5.0 out of 5 stars ( 1 )

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Denso Iridium Long Life Spark Plugs 3297

Spark Plug, Iridium Long Life, SK20R11, 14mm Thread, 19.00mm Reach, Gasket Seat, Chrysler, Lexus, Mercedes-Benz, Pontiac, Scion, Toyota, Volvo, Each

Part Number: DNP-3297

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Bosch Double Iridium Spark Plugs 96307

Spark Plug, Double Iridium, Projected, 8 Heat Range, 25mm Reach, Tapered Seat, Cadillac, Chevy, GMC, Each

Part Number: BCH-96307

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Autolite Double Platinum Spark Plugs PP985

Spark Plug, Double Platinum, 14mm Thread, 0.750 in. Reach, Gasket Seat, 5/8 in. Wrench Size, Each

Part Number: ATL-APP985

5.0 out of 5 stars ( 4 )

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NGK Racing Spark Plugs R6725-11

Spark Plug, Racing, 14mm Thread, 21.5mm Reach,13/16 in. Hex, Gasket Seat, Resistor, Each

Part Number: NGK-4311

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NGK Multi-Ground Spark Plugs LFR7A

Spark Plug, Gasket Seat, Multi-Ground, 12mm Thread, 1.040 in. Reach, Projected Tip, Each

Part Number: NGK-92038

Not Yet Reviewed

Estimated Ship Date: Sep 2, 2025 if ordered today

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Estimated Ship Date: Sep 2, 2025 if ordered today

NGK V-Power Spark Plugs XR45

Spark Plug, V-Power, Gasket Seat, 14mm Thread, .375 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-4536

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Autolite Racing Spark Plugs R52

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

Part Number: ATL-AR52

5.0 out of 5 stars ( 2 )

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ACDelco Conventional Resistor Spark Plugs 19362244

Spark Plug, Conventional Resistor, Nickel Alloy Tip, Tapered Seat, 18mm Thread, Each

Part Number: ADO-R83TS

5.0 out of 5 stars ( 2 )

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Spark Plug, RC12ECC, Copper Plus, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-438

5.0 out of 5 stars ( 3 )

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