Performance & Replacement Spark Plugs

Fire up your engine with power-packed strokes and increased combustion pressure by adding top-quality spark plugs to your racing or street machine. Whether your car...

Fire up your engine with power-packed strokes and increased combustion pressure by adding top-quality spark plugs to your racing or street machine. Whether your car is foreign or domestic, we have a massive assortment of performance and replacement spark plug options from which to choose. Select from the industry’s leading brands, including E3 Spark Plugs, NGK, Champion, Bosch, ACDelco, Fram, ACCEL, Autolite, Ford Racing, Motorcraft, and many more! With options for virtually any type of electrode core and tip material, we have the spark plugs to keep your pistons firing run after run!

Individual Parts

Part Groups

Results 1 - 14 of 14

ACDelco Conventional Resistor Spark Plugs 19362243

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

Part Number: ADO-R44XL

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

Champion Copper Plus Spark Plugs 300

Spark Plug, N9YC, Copper Plus, 14mm Thread, .750 in. Reach, Non-Resistor, Small Engine, Each

Part Number: CPN-300

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

ACDelco Conventional Resistor Spark Plugs 19362246

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

Part Number: ADO-R44F

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

Champion Copper Plus Spark Plugs 415

Spark Plug, RN9YC, Copper Plus, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-415

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

Autolite Copper Core Spark Plugs 425

Spark Plug, Copper, 14mm Thread, 0.500 in. Reach, Gasket Seat, 13/16 in. Wrench Size, Each

Part Number: ATL-425

Not Yet Reviewed

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Denso U-Groove Spark Plugs 3057

Spark Plug, U-Groove, W20ESR-U, 14mm Thread, 19.00mm Reach, Gasket Seat, Alfa Romeo, Chevy, Jeep, for Nissan, Polaris, Porsche, Volkswagen, Each

Part Number: DNP-3057

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

Champion Copper Plus Spark Plugs 415-1

USE AUP 4263

Part Number: CPN-415-1

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

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Estimated Ship Date: Nov 17, 2025 if ordered today

Champion Iridium Spark Plugs 9804

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

Part Number: CPN-9804

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

ACDelco RAPIDFIRE Performance Platinum Spark Plugs 19307141

5 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/10/2025

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Champion Double Platinum Power Spark Plugs 7415

USE AUP XS4162

Part Number: CPN-7415

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

Champion Copper Plus Spark Plugs J8C

Spark Plug, Copper Plus, 14mm Thread Size, 0.375 in. Reach, 8 Heat Range, Each

Part Number: CPN-841

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

Champion Copper Plus Spark Plugs RJ8C

Spark Plug, Copper Plus, Nickel Copper Alloy, 14mm Thread, 0.375 in. Reach, Flat Seat, 13/16 in. Wrench Size, Each

Part Number: CPN-871

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

Champion Copper Plus Spark Plugs 8411

Spark Plug, 14mm, Gasket Seat, .375 in. Reach, J8C, Each

Part Number: CPN-841-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 17, 2025 if ordered today

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Estimated Ship Date: Nov 17, 2025 if ordered today

Champion Copper Plus Spark Plugs 840C

Spark Plug, RCJ8, Copper Plus, 14mm Thread, .375in. Reach, Resistor, Set

Part Number: CPN-840C

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

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Estimated Ship Date: Nov 21, 2025 if ordered today

Champion Copper Plus Spark Plugs 840

Spark Plug, RCJ8, Copper Plus, 14mm Thread, .375in. Reach,Resistor, Each

Part Number: CPN-840

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

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