Performance & Replacement Spark Plugs at Summit Racing

ACDelco Conventional Resistor Spark Plugs 19355201

Spark Plug, Conventional Resistor, Nickel Alloy Tip, Copper Core, Tapered Seat, 14mm Thread, One Ground Strap, Each

Part Number: ADO-MR43LTS

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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NGK G-Power Platinum Spark Plugs TR55GP

Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .691 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-3403

4.86 out of 5 stars ( 22 )

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NGK Standard Series Spark Plugs B9EFS

Spark Plug, Non-Resistor, 14mm Thread, .708 in. Reach, Each

Part Number: NGK-1085

5.0 out of 5 stars ( 1 )

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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 )

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ACCEL Performance Spark Plugs 0786-4

Spark Plugs, Performance Plug, Gasket Seat, 14mm Thread .750 in. Reach, Projected, Resistor, Set of 4

Part Number: ACC-0786-4

4.63 out of 5 stars ( 19 )

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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 )

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ACDelco Conventional Resistor Spark Plugs 19354419

Spark Plug, Conventional Resistor, Nickel Alloy Tip, Tapered Seat, 14mm Thread, AM General, Chevy, Dodge, Ford

Part Number: ADO-R43TS

5.0 out of 5 stars ( 8 )

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NGK Iridium IX Spark Plugs UR5IX

Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7177

5.0 out of 5 stars ( 5 )

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NGK Racing Spark Plugs R5674-7

Spark Plug, Racing, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Non-Resistor, Each

Part Number: NGK-5034

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Champion Copper Plus Spark Plugs 400

Not Yet Reviewed

Estimated Ship Date: Sep 2, 2025

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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: Tomorrow

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NGK Ruthenium HX Spark Plugs LFR5AHX

Spark Plug, Ruthenium HX, 14mm Thread, Heat Range 5, 26.5mm Reach, Gasket Seat, Double Fine Electrode, Each

Part Number: NGK-96355

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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ACDelco RAPIDFIRE Performance Platinum Spark Plugs 19308033

Spark Plug, RAPIDFIRE Performance Platinum, Tapered Seat, 14mm Thread, 0.689 in. Reach, Resistor, Each

Part Number: ADO-14

4.52 out of 5 stars ( 25 )

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Autolite Copper Core Spark Plugs 24

Spark Plug, Copper Core, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Resistor, Each

Part Number: ATL-24

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

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NGK Racing Spark Plugs R5674-8

Spark Plug, Racing, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Non-Resistor, Each

Part Number: NGK-5657

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Sep 26, 2025 if ordered today

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Estimated Ship Date: Sep 26, 2025 if ordered today

ACDelco Conventional Resistor Spark Plugs 19354427

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

Part Number: ADO-R44TS

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Autolite Copper Core Spark Plugs 3922

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

Part Number: ATL-3922

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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NGK Iridium IX Spark Plugs LTR6IX

Spark Plug, Iridium IX, 14mm Thread, 25mm. Reach, Resistor, Tapered Seat, Each

Part Number: NGK-94374

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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NGK G-Power Platinum Spark Plugs UR5GP

Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-3547

5.0 out of 5 stars ( 10 )

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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 ( 3 )

Estimated Ship Date: Tomorrow

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Autolite Double Platinum Spark Plugs R3933X

Spark Plug, Racing, Copper Core, Gasket Seat, 14mm Thread, 0.880 in. Reach, Each

Part Number: ATL-AR3933X

5.0 out of 5 stars ( 1 )

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NGK Ruthenium HX Spark Plugs LTR6BHX

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

Part Number: NGK-90495

4.2 out of 5 stars ( 5 )

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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 )

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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 )

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ACDelco Conventional Resistor Spark Plugs for 1970 CAPRICE, CORVETTE - 19355200

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

Part Number: ADO-MR43T

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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NGK Racing Spark Plugs R6725-115

Spark Plug, Racing, 14mm Thread, 0.846 in. Reach, Non-Projected Tip, 13/16 in. Hex, Gasket Seat, Resistor, Each

Part Number: NGK-4482

5.0 out of 5 stars ( 3 )

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