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 - 25 of 38

MSD Iridium Spark Plugs 3730

Spark Plug, Iridium Core, Gasket Seat, 14mm Thread, 1.040 in. Reach, Projected Tip, Resistor, Each

Part Number: MSD-3730

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Champion Copper Plus Spark Plugs 405

Spark Plug, RN14YC, Copper Plus, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-405

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Champion Copper Plus Spark Plugs 570

Spark Plug, RE14MCC4, Copper Plus, 14mm Thread, 1 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-570

4.8 out of 5 stars ( 25 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Champion Copper Plus Spark Plugs 63

Spark Plug, RJ14YC, Copper Plus, 14mm Thread, .375 in. Reach, Resistor, Each

Part Number: CPN-63

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Champion Copper Plus Spark Plugs 10

Spark Plug, J12YC, Copper Plus, Gasket Seat, 14mm Thread, .380 in. Reach, Non-Resistor, Each,

Part Number: CPN-10

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Champion Copper Plus Spark Plugs 446

Spark Plug, Copper Plus, 14mm Thread, 1.043 in. Reach, Resistor, Each

Part Number: CPN-446

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Champion Copper Plus Spark Plugs 58

Spark Plug, RJ18YC, Copper Plus, 14mm Thread, .375 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-58

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Champion Copper Plus Spark Plugs 38

Spark Plug, N12YC, Copper Plus, 14mm Thread, .750 in. Reach, Projected Tip, Non-Resistor, Each

Part Number: CPN-38

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Champion Copper Plus Spark Plugs 14

Spark Plug, RJ12YC, Copper Plus, 14mm Thread, .375 in. Reach, Resistor, GM, Jeep, Mopar, International, Each

Part Number: CPN-14

4.94 out of 5 stars ( 17 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Champion Copper Plus Spark Plugs 592

Spark Plug, Copper Plus, 14mm, Gasket Seat, .375 in. Reach, Projected Tip, Resistor, RJ12C, Each

Part Number: CPN-592

Not Yet Reviewed

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Champion Copper Plus Spark Plugs 592C

USE AUP 308

Part Number: CPN-592C

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

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Estimated Ship Date: Jul 28, 2025 if ordered today

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: Jul 14, 2025 if ordered today

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Estimated Ship Date: Jul 14, 2025 if ordered today

Champion Copper Plus Spark Plugs 841S

Spark Plug, J8C, Copper Plus, 14mm Thread, .375in. Reach, Set

Part Number: CPN-841S

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

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Estimated Ship Date: Jul 28, 2025 if ordered today

Champion Copper Plus Spark Plugs 332

Spark Plug, RN7YC, Copper Plus, 14mm Thread, .750 in. Reach, Resistor, Each

Part Number: CPN-332

Not Yet Reviewed

Estimated Ship Date: Jul 14, 2025 if ordered today

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Estimated Ship Date: Jul 14, 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: Jul 14, 2025 if ordered today

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Estimated Ship Date: Jul 14, 2025 if ordered today

Champion Copper Plus Spark Plugs 404S

Spark Plug, Copper Plus, Gasket Seat, 14mm Thread, .750 in. Reach, Set of 24

Part Number: CPN-404S

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 28, 2025 if ordered today

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Estimated Ship Date: Jul 28, 2025 if ordered today

Champion Copper Plus Spark Plugs 315

Spark Plug, N6YC, Copper Plus, 14mm Thread, .750 in. Reach, Gasket seat, Resistor, Projected Tip, Each

Part Number: CPN-315

Not Yet Reviewed

Estimated Ship Date: Jul 14, 2025 if ordered today

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Estimated Ship Date: Jul 14, 2025 if ordered today

Champion Copper Plus Spark Plugs 511

USE AUP 306

Part Number: CPN-511

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

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Estimated Ship Date: Jul 28, 2025 if ordered today

Autolite Copper Core Spark Plugs 85

Spark Plug, Copper Core, Resistor, 14mm x 1.25, Gasket Seat, 0.375 in, Reach, Each

Part Number: ATL-85

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

ACDelco Conventional Resistor Spark Plugs 19362248

Spark Plug, Conventional Resistor, Nickel Alloy Tip, Gasket Seat, 14mm Thread, Chevy, Chrysler, International

Part Number: ADO-R43S

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

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