Performance & Replacement Spark Plugs at Summit Racing

NGK V-Power Spark Plugs XR4

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

Part Number: NGK-5858

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

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 )

Estimated Ship Date: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

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 )

Estimated Ship Date: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

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 )

Estimated Ship Date: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

NGK Laser Iridium High Ignitability Spark Plugs SILZKBR8D8S

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

Part Number: NGK-97506

Not Yet Reviewed

Estimated Ship Date: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

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

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

E3 Spark Plugs E3.46

Spark Plug, E3, Gasket Seat, 14mm Thread, 0.750 in. Reach, Projected Tip, Resistor, Each

Part Number: ETP-E3-46

4.48 out of 5 stars ( 27 )

Estimated Ship Date: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

Autolite Single Platinum Spark Plugs P45

Spark Plug, Single Platinum, Platinum, 18mm Thread, 0.460 in. Reach, Tapered Seat, 13/16 in. Wrench Size, Each

Part Number: ATL-AP45

4.81 out of 5 stars ( 16 )

Estimated Ship Date: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

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: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

Autolite Racing Spark Plugs R133

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

Part Number: ATL-AR133

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

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: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

E3 Spark Plugs E3.40

Spark Plug, E3, Tapered Seat, 14mm Thread, 0.460 in. Reach, Projected Tip, Resistor, Each

Part Number: ETP-E3-40

4.76 out of 5 stars ( 34 )

Estimated Ship Date: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

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 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

NGK Racing Spark Plugs R7448A-8

Spark Plug, Racing, Tapered Seat, 14mm Thread, 25mm Reach, Heat Range 8, With Resistor, Each

Part Number: NGK-93400

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

Autolite XP Xtreme Performance Spark Plugs XP985

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

Part Number: ATL-XP985

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

ACDelco Conventional Resistor Spark Plugs 19354422

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

Part Number: ADO-R44XLS

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

ACDelco Conventional Resistor Spark Plugs 19354420

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

Part Number: ADO-R44LTS

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

NGK V-Power Spark Plugs GR5

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

Part Number: NGK-2851

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

Autolite Racing Spark Plugs R25

Spark Plug, Racing, Copper Core, Tapered Seat, 14mm Thread, 0.431 in. Reach, Each

Part Number: ATL-AR25

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

NGK Standard Series Spark Plugs LZFR5C-11

Spark Plug, Standard Series, Gasket Seat, 14mm Thread Size, 26.5mm Reach, Resistor, Each

Part Number: NGK-92174

4.73 out of 5 stars ( 15 )

Estimated Ship Date: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

NGK Iridium IX Spark Plugs BKR5EIX-11

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

Part Number: NGK-5464

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

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 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

NGK Racing Spark Plugs R5724-9

Spark Plug, Racing, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Non-Resistor, Each

Part Number: NGK-7891

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

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 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

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 7/7/2025

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Estimated Ship Date: Monday 7/7/2025