Performance & Replacement Spark Plugs at Summit Racing

Autolite Copper Core Spark Plugs 145

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

Part Number: ATL-145

5.0 out of 5 stars ( 3 )

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Autolite Copper Core Spark Plugs 404

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

Part Number: ATL-404

5.0 out of 5 stars ( 1 )

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Autolite XP Xtreme Performance Spark Plugs XP605

Spark Plug, XP Xtreme Performance, Iridium, 14mm Thread, 0.708 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: ATL-XP605

5.0 out of 5 stars ( 1 )

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ACDelco Conventional Resistor Spark Plugs 19355455

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

Part Number: ADO-R46SZ

5.0 out of 5 stars ( 2 )

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Autolite Racing Spark Plugs R73

Spark Plug, Racing, Copper Core, Gasket Seat, 14mm Thread, 0.372 in. Reach, Each

Part Number: ATL-AR73

5.0 out of 5 stars ( 1 )

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NGK Iridium IX Spark Plugs BR7EIX

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

Part Number: NGK-6664

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NGK Laser Iridium High Ignitability Spark Plugs DFH6B-11A

Spark Plug, DFH6B-11A, Laser Iridium, 14mm Thread, 26.5mm Reach, Gasket Seat, 5/8 in. Hex, Each

Part Number: NGK-6858

5.0 out of 5 stars ( 1 )

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Champion Copper Plus Spark Plugs 13

Spark Plug, RS14YC6, Copper Plus, 14mm Thread, .708 in. Reach, Resistor, Each

Part Number: CPN-13

4.5 out of 5 stars ( 4 )

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ACDelco Gold Platinum Spark Plugs 19301811

Spark Plug, Professional, Platinum Tip, Tapered Seat, 14mm Thread, Resistor, Each

Part Number: ADO-41-950

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NGK V-Power Spark Plugs BR6HS

Spark Plug, Traditional, 14mm Thread, .500 in. Reach, 13/16 in. Hex, Gasket Seat, Resistor, Each

Part Number: NGK-3922

1.0 out of 5 stars ( 1 )

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NGK Iridium IX Spark Plugs LFR6AIX

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, 1.040 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-93893

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Autolite Iridium XP Enhanced Alloy Technology Spark Plugs XP5363

Spark Plug, Resistor, Iridium Tip, Iridium Core, 14mm Thread Size, 1 in. Reach, Tapered Seat, Each

Part Number: ATL-XP5363

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Champion Copper Plus Spark Plugs 446

Spark Plug, Copper Plus, 14mm Thread, 1.043 in. Reach, Resistor, Each

Part Number: CPN-446

4.5 out of 5 stars ( 2 )

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Brisk Premium LGS Spark Plugs GOR15LGS-T

Spark Plugs, Premium LGS, Silver, 14mm Thread Size, 18mm Reach, Tapered Seat, 15 Heat Range, Resistor, Each

Part Number: BIK-GOR15LGS-T

4.0 out of 5 stars ( 1 )

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Denso Iridium Power Spark Plugs 5322

Spark Plug, Iridium Power, IK34, 14mm Thread, 19.00mm Reach, Gasket Seat, Each

Part Number: DNP-5322

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Autolite Copper Core Spark Plugs 386

Spark Plug, Copper Core, Gasket Seat, 18mm Thread, 0.500 in. Reach, Resistor, Each

Part Number: ATL-386

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NGK G-Power Platinum Spark Plugs FR4GP

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

Part Number: NGK-2685

5.0 out of 5 stars ( 4 )

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Autolite Racing Spark Plugs R103

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

Part Number: ATL-AR103

5.0 out of 5 stars ( 3 )

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Motorcraft Platinum Spark Plugs PZK14FX

Spark Plug, Platinum Tip, Platinum Core, 16mm Thread Size, Each

Part Number: MOF-SP546X

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NGK Racing Spark Plugs BR8EG

Spark Plug, Racing, 14mm Thread, .750 in. Reach, 13/16 in. Hex, Gasket Seat, Resistor, Each

Part Number: NGK-3130

5.0 out of 5 stars ( 2 )

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NGK G-Power Platinum Spark Plugs BPR5EGP

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

Part Number: NGK-7082

4.75 out of 5 stars ( 4 )

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Denso Iridium TT Spark Plugs 4704

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

Part Number: DNP-4704

5.0 out of 5 stars ( 1 )

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Denso Iridium TT Spark Plugs 4701

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

Part Number: DNP-4701

5.0 out of 5 stars ( 3 )

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NGK Laser Iridium Spark Plugs ILKAR7L11

Spark Plug, Laser Iridium, Resistor, 12mm Thread, 1.043 in. Reach, Flat Seat, Copper Core, 14mm Wrench Diameter, Mazda, Scion, Toyota, Each

Part Number: NGK-94124

5.0 out of 5 stars ( 1 )

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NGK Laser Iridium Spark Plugs IZFR6K11

Spark Plug, Iridium, 14mm Thread, .750 in. Reach, 5/8 in. Hex, Resistor, Each

Part Number: NGK-6994

5.0 out of 5 stars ( 6 )

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