Summit Racing SpeedCard - learn how to get 10% back up to $100

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Performance & Replacement Spark Plugs

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!

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

Results 1 - 25 of 69

Spark Plug, Iridium Long Life, SXE24HCR8S, 12mm Thread, 26.50mm Reach, Gasket Seat, for use on Honda®, Each

Part Number: DNP-3502

Not Yet Reviewed

Estimated Ship Date: Jun 9, 2025 if ordered today

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Estimated Ship Date: Jun 9, 2025 if ordered today

Spark Plug, Spark Plug

Part Number: BCH-8502

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2025 if ordered today

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Estimated Ship Date: Jun 2, 2025 if ordered today

Ir SparkPlug

Part Number: ATL-AI5863

Not Yet Reviewed

Estimated Ship Date: Jun 10, 2025 if ordered today

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Estimated Ship Date: Jun 10, 2025 if ordered today

Spark Plug, XP Xtreme Performance, Iridium, 14mm Thread, 0.750 in. Reach, Gasket Seat, 13/16 in. Wrench Size, Each

Part Number: ATL-XP3923

Not Yet Reviewed

Estimated Ship Date: Tuesday 5/27/2025

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Estimated Ship Date: Tuesday 5/27/2025

Spark Plug, Iridium Power, IKH20, 14mm Thread, 26.50mm Reach, Gasket Seat, Universal, Each

Part Number: DNP-5344

Not Yet Reviewed

Estimated Ship Date: Tuesday 5/27/2025

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Estimated Ship Date: Tuesday 5/27/2025

Spark Plug, Copper, 14mm Thread, 1.000 in. Reach, Flat Seat, 16mm Wrench Size, Each

Part Number: ATL-5325

Not Yet Reviewed

Estimated Ship Date: Tuesday 5/27/2025

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Estimated Ship Date: Tuesday 5/27/2025

USE NIP 3500

Part Number: NGK-93476

Not Yet Reviewed

Estimated Ship Date: Tuesday 5/27/2025

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Estimated Ship Date: Tuesday 5/27/2025

Spark Plug, Double Platinum, 14mm Thread, 1.000 in. Reach, Flat Seat, 16mm Wrench Size, Each

Part Number: ATL-APP5325

Not Yet Reviewed

Estimated Ship Date: Tuesday 5/27/2025

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Estimated Ship Date: Tuesday 5/27/2025

Spark Plug, Conventional Resistor, Nickel Alloy Tip, Gasket Seat, 14mm Thread, Chevy, Ford, Plymouth, Volvo

Part Number: ADO-R42XLS

Not Yet Reviewed

Estimated Ship Date: Tuesday 5/27/2025

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Estimated Ship Date: Tuesday 5/27/2025

Spark Plugs, Platinum TT, Gasket Seat, 14mm Thread, 19mm Reach, Resistor, Each

Part Number: DNP-4501

Not Yet Reviewed

Estimated Ship Date: Tuesday 5/27/2025

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Estimated Ship Date: Tuesday 5/27/2025

Spark Plug, Iridium IX, Iridium, 14mm Thread, 0.927 in. Reach, Flat Seat, 13/16 in. Wrench Size, Each

Part Number: NGK-95525

Not Yet Reviewed

Estimated Ship Date: Tuesday 5/27/2025

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Estimated Ship Date: Tuesday 5/27/2025

Spark Plug, Iridium Power, IKH22, 14mm Thread, 26.50mm Reach, Gasket Seat, Audi, Mitsubishi, Porsche, Subaru, Each

Part Number: DNP-5345

Not Yet Reviewed

Estimated Ship Date: Tuesday 5/27/2025

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Estimated Ship Date: Tuesday 5/27/2025

Spark Plug, Iridium Power, IK24, 14mm Thread, 19.00mm Reach, Gasket Seat, Audi, BMW, for use on Honda®, Porsche, Suzuki, Volkswagen, Each

Part Number: DNP-5311

Not Yet Reviewed

Estimated Ship Date: Tuesday 5/27/2025

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Estimated Ship Date: Tuesday 5/27/2025

Spark Plugs, Iridium Long Life, Gasket Seat, 14mm Thread, 26.5mm Reach, Resistor, Each

Part Number: DNP-3421

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 5/27/2025

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Estimated Ship Date: Tuesday 5/27/2025

Spark Plug, Iridium TT, IW20TT, 14mm Thread, 19.00mm Reach, Gasket Seat, Universal, Each

Part Number: DNP-4709

Not Yet Reviewed

Estimated Ship Date: Tuesday 5/27/2025

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Estimated Ship Date: Tuesday 5/27/2025

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: Tuesday 5/27/2025

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Estimated Ship Date: Tuesday 5/27/2025

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

Part Number: ATL-64

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 5/27/2025

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Estimated Ship Date: Tuesday 5/27/2025

Spark Plug, Racing, Copper Core, Tapered Seat, 14mm Thread, 0.679 in. Reach, Each

Part Number: ATL-AR764

Not Yet Reviewed

Estimated Ship Date: Tuesday 5/27/2025

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Estimated Ship Date: Tuesday 5/27/2025

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

Part Number: ADO-R43XLS

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tuesday 5/27/2025

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Estimated Ship Date: Tuesday 5/27/2025

Spark Plug, Iridium XP Enhanced Alloy, Resistor, 14mm x 1.25, Tapered Seat, 1.05 in, Reach, Each

Part Number: ATL-XP5325

Not Yet Reviewed

Estimated Ship Date: Tuesday 5/27/2025

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Estimated Ship Date: Tuesday 5/27/2025

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

Part Number: ATL-63

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 5/27/2025

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Estimated Ship Date: Tuesday 5/27/2025

Spark Plug, Double Platinum, 14mm Thread, 0.750 in. Reach, Flat Seat, 13/16 in. Wrench Size, Each

Part Number: ATL-APP64

Not Yet Reviewed

Estimated Ship Date: Tuesday 5/27/2025

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Estimated Ship Date: Tuesday 5/27/2025

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

Part Number: NGK-1233

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 5/27/2025

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Estimated Ship Date: Tuesday 5/27/2025

Spark Plugs, Iridium TT, Gasket Seat, 14mm Thread, 26.5mm Reach, Resistor, Each

Part Number: DNP-4704

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 5/27/2025

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Estimated Ship Date: Tuesday 5/27/2025

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

Part Number: NGK-6637

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 5/27/2025

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Estimated Ship Date: Tuesday 5/27/2025

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