Performance & Replacement Spark Plugs at Summit Racing

ACDelco Conventional Resistor Spark Plugs 19354428

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

Part Number: ADO-R45

4.29 out of 5 stars ( 7 )

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NGK Standard Series Spark Plugs BR8ECM

Spark Plug, Gasket Seat, 14mm Thread, .750 in. Reach, Resistor, Each

Part Number: NGK-3035

Not Yet Reviewed

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ACCEL C-Cut Performance Spark Plugs 8179

Spark Plugs, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Resistor, Set of 8

Part Number: ACC-8179

4.25 out of 5 stars ( 8 )

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NGK Racing Spark Plugs R7438-8

Spark Plug, Racing Plugs, Non Projected, 14mm Thread, 26.5mm Reach, 5/8 in. Hex, Each

Part Number: NGK-4905

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Autolite XP Xtreme Performance Spark Plugs XP25

Spark Plug, XP Xtreme Performance, Copper Core, Tapered Seat, 14mm Thread, 0.460 in. Reach, Resistor, Each

Part Number: ATL-XP25

4.5 out of 5 stars ( 4 )

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ACDelco Conventional Resistor Spark Plugs 19362243

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

Part Number: ADO-R44XL

5.0 out of 5 stars ( 3 )

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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

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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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NGK Iridium IX Spark Plugs ZNAR6AIX-11

Spark Plug, Iridium IX, ZNAR6IX-11, 12mm Thread, 26.5mm Reach, Projected Tip, Resistor, Each

Part Number: NGK-372

5.0 out of 5 stars ( 5 )

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NGK Iridium IX Spark Plugs ZFR6FIX-11

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

Part Number: NGK-6441

5.0 out of 5 stars ( 4 )

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E3 DiamondFIRE Racing Spark Plugs E3.105

Spark Plug, Racing, Copper Core, Tapered Seat, 14mm Thread, 0.460 in. Reach, Each

Part Number: ETP-E3-105

5.0 out of 5 stars ( 5 )

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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 )

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NGK Laser Iridium Spark Plugs ILFR5T11

Spark Plug, Laser Iridium, Gasket Seat, 14mm Thread Size, 26.5mm Reach, Resistor, Each

Part Number: NGK-96779

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NGK Iridium IX Spark Plugs ZNAR7AIX

Spark Plug, Iridium, Projected Tip, 12mm Thread, 26.5mm Reach, Tapered Seat, Each

Part Number: NGK-7554

5.0 out of 5 stars ( 1 )

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Champion Racing Spark Plugs 694

Spark Plug, C53VC, Copper Plus, 14mm Thread, .750 in. Reach, Gasket seat, Each

Part Number: CPN-694

5.0 out of 5 stars ( 1 )

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E3 Spark Plugs E3.68

Spark Plug, E3, Gasket Seat, 14mm Thread, 1.00 in. Reach, Projected Tip, Resistor, Each

Part Number: ETP-E368

4.69 out of 5 stars ( 35 )

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E3 DiamondFIRE Racing Spark Plugs E3.103

Spark Plug, Racing, Copper Core, Gasket Seat, 14mm Thread, 0.750 in. Reach, Each

Part Number: ETP-E3-103

4.88 out of 5 stars ( 8 )

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Autolite Single Platinum Spark Plugs P25

Spark Plug, Single Platinum, Platinum, 14mm Thread, 0.460 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: ATL-AP25

5.0 out of 5 stars ( 1 )

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Autolite Copper Core Spark Plugs 86

Spark Plug, Copper Core, Resistor, 14mm x 1.25, Tapered Seat, 0.372 in, Reach, Each

Part Number: ATL-86

4.8 out of 5 stars ( 10 )

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Autolite XP Xtreme Performance Spark Plugs XP5325

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

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Brisk Premium LGS Spark Plugs DO10LGS-T

Spark Plug, Premium LGS, Silver, 14mm Thread, 0.750 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: BIK-DO10LGS-T

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Brisk Premium LGS Spark Plugs GOR17LGS

Spark Plugs, Premium LGS, Silver, 14mm Thread Size, 18mm Reach, Tapered Seat, 17 Heat Range, Resistor, Each

Part Number: BIK-GOR17LGS

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NGK Racing Spark Plugs R5673-6

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

Part Number: NGK-2405

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 8, 2025 if ordered today

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Estimated Ship Date: Aug 8, 2025 if ordered today

NGK Racing Spark Plugs R5724-10

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

Part Number: NGK-7993

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 8, 2025 if ordered today

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Estimated Ship Date: Aug 8, 2025 if ordered today

Denso Iridium Power Spark Plugs 5312

Spark Plug, Iridium Power, IK27, 14mm Thread, 19.00mm Reach, Gasket Seat, for use on Honda®, Each

Part Number: DNP-5312

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 13, 2025 if ordered today

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Estimated Ship Date: Aug 13, 2025 if ordered today

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Autolite Racing Spark Plugs R3910X

5 out of 5 stars ( 2 )

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