Performance & Replacement Spark Plugs at Summit Racing

Champion Copper Plus Spark Plugs 404

Spark Plug, RN12YC, Copper Plus, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-404

4.94 out of 5 stars ( 17 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Motorcraft Copper Core Spark Plugs ASF42CX

Spark Plug, Copper, 14mm Thread Size, 0.460 in. reach, Resistor, Each

Part Number: MOF-SP450X

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

E3 Spark Plugs E3.68

Spark Plug, E3, Gasket Seat, 14mm Thread, 1.00 in. Reach, Projected Tip, Resistor, Each

Part Number: ETP-E368

4.69 out of 5 stars ( 35 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Autolite Racing Spark Plugs R3910X

Spark Plug, Racing, Copper Core, Gasket Seat, 14mm Thread, 0.930 in. Reach, Each

Part Number: ATL-AR3910X

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Champion Racing Spark Plugs 296

Spark Plug, C59CX, Racing, 14mm Thread, .750 in. Reach, Each

Part Number: CPN-296

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Brisk Silver Racing Spark Plugs RR14YS

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

Part Number: BIK-RR14YS

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Brisk Silver Racing Spark Plugs DR12S

Spark Plugs, Silver Racing, Silver, 14mm Thread Size, 19mm Reach, Gasket Seat, 12 Heat Range, Resistor, Each

Part Number: BIK-DR12S

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

ACDelco Gold Platinum Spark Plugs 19308035

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

Part Number: ADO-41-803

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

NGK Iridium IX Spark Plugs BKR6EIX

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

Part Number: NGK-6418

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Autolite Racing Spark Plugs R3935

Spark Plug, Racing, Copper Core, Gasket Seat, 14mm Thread, 0.750 in. Reach, Chromium Nickel Alloy Electrode Tip, Non-projected, 5/8 in. Wrench, Each

Part Number: ATL-AR3935

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Brisk Silver Racing Spark Plugs DR10S

Spark Plugs, Silver Racing, Silver, 14mm Thread Size, 19mm Reach, Gasket Seat, 10 Heat Range, Resistor, Each

Part Number: BIK-DR10S

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Brisk Silver Racing Spark Plugs 3VR17YS

Spark Plugs, Silver Racing, Silver, 16mm Thread Size, 22mm Reach, Tapered Seat, 17 Heat Range, Resistor, 3V, Ford, Each

Part Number: BIK-3VR17YS

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

NGK Laser Iridium Spark Plugs ILZKR7B11

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

Part Number: NGK-7751

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

NGK V-Power Spark Plugs FR4

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

Part Number: NGK-5155

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Brisk Silver Racing Spark Plugs 3VR14S

Spark Plugs, Silver Racing, Silver, 16mm Thread Size, 22mm Reach, Tapered Seat, 14 Heat Range, Resistor, 3V, Ford, Each

Part Number: BIK-3VR14S

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Autolite Copper Core Spark Plugs 3926

Spark Plug, Copper Core, Resistor, 14mm x 1.25, Gasket Seat, 0.750 in, Reach, Each

Part Number: ATL-3926

4.83 out of 5 stars ( 12 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

NGK Racing Spark Plugs R5670-6

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

Part Number: NGK-2746

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

NGK G-Power Platinum Spark Plugs LTR5GP

Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, 1.043 in. Reach, Resistor, Each

Part Number: NGK-5019

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Autolite Racing Spark Plugs R134

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

Part Number: ATL-AR134

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

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 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Champion Iridium Spark Plugs 9055

Spark Plug, Iridium, Gasket Seat, 14mm Thread Size, 1.000 in. Reach, Each

Part Number: CPN-9055

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Autolite XP Xtreme Performance Spark Plugs XP3924

Spark Plug, Iridium XP Enhanced Alloy, Resistor, 14mm x 1.25, Tapered Seat, 0.750 in, Reach, Each

Part Number: ATL-XP3924

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Brisk Silver Racing Spark Plugs ER08S

Spark Plugs, Silver Racing, Resistor, Tapered Seat, 14mm Thread Size, 1.043 in. Reach, Silver Tip and Core, Each

Part Number: BIK-ER08S

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

NGK Standard Series Spark Plugs BR6FS

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

Part Number: NGK-4323

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

NGK Standard Series Spark Plugs BPR6ES

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

Part Number: NGK-7131

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025