Performance & Replacement Spark Plugs at Summit Racing

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 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

ACDelco RAPIDFIRE Performance Platinum Spark Plugs 19307141

Spark Plug, RAPIDFIRE Performance Platinum, Gasket Seat, 14mm Thread, 0.752 in. Reach, Resistor, Each

Part Number: ADO-4

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

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 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

NGK Racing Spark Plugs R5670-6

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

Part Number: NGK-2746

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

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 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Champion Iridium Spark Plugs QC8WEPI

Spark Plug, Iridium, Gasket Seat, 14mm Thread, .75 in. Reach, Each

Part Number: CPN-9810

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

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 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

ACCEL C-Cut Performance Spark Plugs 8196

Spark Plug, C-Cut Electrode, Tapered, 14mm Thread .708 in. Reach, Projected, Resistor, Set of 8

Part Number: ACC-8196

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