Performance & Replacement Spark Plugs at Summit Racing

Brisk Premium LGS Spark Plugs HO14LGS

Spark Plugs, Premium LGS, Silver, 14mm Thread Size, 12.7mm Reach, Tapered Seat, 14 Heat Range, Each

Part Number: BIK-HO14LGS

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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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NGK Surface Gap Spark Plugs for 1984-1995 RX-7 - BUR9EQ

Spark Plug, Surface Gap, Gasket Seat, 14mm Thread, 0.846 in. Reach, Resistor, Each

Part Number: NGK-5777

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NGK Standard Series Spark Plugs CR9EK

Spark Plug, Multi-Ground, 10mm Thread, .750 in. Reach, 5/8 in. Hex, Gasket Seat, Resistor, Each

Part Number: NGK-4548

5.0 out of 5 stars ( 3 )

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E3 DiamondFIRE Racing Spark Plugs E3.106

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

Part Number: ETP-E3-106

4.5 out of 5 stars ( 8 )

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NGK Standard Series Spark Plugs B7ES-11

Spark Plug, Standard Series, Copper, 14mm Thread, 0.750 in. Reach, Gasket Seat, 13/16 in. Wrench Size, Each

Part Number: NGK-2311

5.0 out of 5 stars ( 1 )

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E3 DiamondFIRE Racing Spark Plugs E3.109

Spark Plug, Racing, Copper Core, Tapered Seat, 14mm Thread, 0.708 in. Reach, Each

Part Number: ETP-E3-109

5.0 out of 5 stars ( 1 )

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NGK Laser Platinum Spark Plugs BKR6EQUP

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

Part Number: NGK-3199

5.0 out of 5 stars ( 1 )

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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 4702

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

Part Number: DNP-4702

4.67 out of 5 stars ( 3 )

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NGK Iridium IX Spark Plugs BPR8EIX

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

Part Number: NGK-6684

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NGK Racing Spark Plugs R5672A-10

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

Part Number: NGK-7942

5.0 out of 5 stars ( 1 )

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ACDelco Gold Platinum Spark Plugs 19301809

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

Part Number: ADO-41-905

5.0 out of 5 stars ( 2 )

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NGK Ruthenium HX Spark Plugs LFR6BHX

Spark Plug, Ruthenium HX, Copper Core, Projected, 14mm Thread Size, 26.5mm Reach, Gasket Seat, Each

Part Number: NGK-93420

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Champion Copper Plus Spark Plugs 121

Spark Plug, RV8C, Copper Plus, 14mm Thread, .460 in. Reach, Resistor, Chevy, Each

Part Number: CPN-121

5.0 out of 5 stars ( 1 )

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Denso Iridium TT Spark Plugs 4719

Spark Plugs, Iridium TT, Tapered Seat, 14mm Thread, 25mm Reach, Resistor, Each

Part Number: DNP-4719

5.0 out of 5 stars ( 1 )

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NGK V-Power Spark Plugs ZFR6F-11G

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

Part Number: NGK-6987

5.0 out of 5 stars ( 4 )

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NGK Iridium IX Spark Plugs BPR6EIX

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

Part Number: NGK-6637

5.0 out of 5 stars ( 1 )

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NGK Laser Iridium High Ignitability Spark Plugs SILKFR8A6

Spark Plug, Laser Iridium, Iridium, 12mm Thread, 1.043 in. Reach, Flat Seat, 14mm Wrench Size, Each

Part Number: NGK-96698

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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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Brisk Silver Racing Spark Plugs DR14YS

Spark Plugs, Silver Racing, Silver, 14mm Thread Size, 19mm Reach, Gasket Seat, 14 Heat Range, Resistor, Each

Part Number: BIK-DR14YS

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NGK Ruthenium HX Spark Plugs LFER7BHX

Spark Plug, Ruthenium HX, Copper Core, Projected, 14mm Thread Size, 26.5mm Reach, Gasket Seat, Each

Part Number: NGK-95125

5.0 out of 5 stars ( 2 )

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Champion Copper Plus Spark Plugs 412

Spark Plug, RC12LYC, Copper Plus, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-412

5.0 out of 5 stars ( 5 )

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Motorcraft Platinum Spark Plugs CYFS12YRT3

Spark Plug, Platinum, Platinum, 14mm Thread, 0.968 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: MOF-SP594

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Champion Copper Plus Spark Plugs 300

Spark Plug, N9YC, Copper Plus, 14mm Thread, .750 in. Reach, Non-Resistor, Small Engine, Each

Part Number: CPN-300

5.0 out of 5 stars ( 3 )

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