Performance & Replacement Spark Plugs at Summit Racing

NGK Laser Iridium High Ignitability Spark Plugs SILZKGR8B8S

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

Part Number: NGK-94201

5.0 out of 5 stars ( 1 )

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NGK Standard Series Spark Plugs DPR8EA-9

Spark Plug, Standard Series, Gasket Seat, 12mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-4929

5.0 out of 5 stars ( 8 )

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NGK Iridium IX Spark Plugs LTR6IX

Spark Plug, Iridium IX, 14mm Thread, 25mm. Reach, Resistor, Tapered Seat, Each

Part Number: NGK-94374

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NGK Standard Series Spark Plugs BKR7ES-11

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

Part Number: NGK-4952

4.5 out of 5 stars ( 2 )

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E3 Spark Plugs E3.56

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

Part Number: ETP-E3-56

5.0 out of 5 stars ( 4 )

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E3 Spark Plugs E3.58

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

Part Number: ETP-E3-58

4.53 out of 5 stars ( 19 )

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NGK Ruthenium HX Spark Plugs LKR7BHX

Spark Plug, Ruthenium HX, Copper Core, Projected, 12mm Thread Size, 26.5mm Reach, Gasket Seat, Each

Part Number: NGK-94705

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NGK Iridium IX Spark Plugs DR8EIX

Spark Plug, Iridium IX, Gasket Seat, 12mm Thread, .750 in. Reach, Resistor, Each

Part Number: NGK-6681

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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 Standard Series Spark Plugs D8EA

Spark Plug, Standard Series, Gasket Seat, 12mm Thread, .750 in. Reach, Non-Resistor, Each

Part Number: NGK-2120

5.0 out of 5 stars ( 1 )

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NGK Laser Platinum Spark Plugs PLZTR5A-13

Spark Plug, Double Platinum, 14mm Threads, 25mm Reach, 5/8 in. Hex, Tapered Seat, Resistor, Each

Part Number: NGK-4998

5.0 out of 5 stars ( 1 )

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Champion Platinum Power Spark Plugs 3570

Spark Plug, Platinum Power, Tapered Seat, 14mm Thread, 1.00 in. Reach, Resistor, Buick, Cadillac, Chevrolet, Chrysler, Dodge, GMC, Jeep, Each

Part Number: CPN-3570

5.0 out of 5 stars ( 13 )

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Autolite Copper Core Spark Plugs 64

Spark Plug, Copper Core, Resistor, 14mm x 1.25, Gasket Seat, 0.750 in, Reach, Each

Part Number: ATL-64

4.0 out of 5 stars ( 1 )

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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 )

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Champion Iridium Spark Plugs 9201

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

Part Number: CPN-9201

5.0 out of 5 stars ( 3 )

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Autolite Copper Core Spark Plugs 65

Spark Plug, Copper Core, Resistor, 14mm x 1.25, Gasket Seat, 0.750 in, Reach, Each

Part Number: ATL-65

5.0 out of 5 stars ( 4 )

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Champion Copper Plus Spark Plugs J8C

Spark Plug, Copper Plus, 14mm Thread Size, 0.375 in. Reach, 8 Heat Range, Each

Part Number: CPN-841

4.33 out of 5 stars ( 3 )

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Autolite Copper Core Spark Plugs 666

Spark Plug, Copper Core, Resistor, 14mm x 1.25, Tapered Seat, 0.431 in, Reach, Each

Part Number: ATL-666

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Autolite Copper Core Spark Plugs 306

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

Part Number: ATL-306

4.5 out of 5 stars ( 2 )

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Autolite Copper Core Spark Plugs 63

Spark Plug, Copper Core, Resistor, 14mm x 1.25, Gasket Seat, 0.750 in, Reach, Each

Part Number: ATL-63

5.0 out of 5 stars ( 1 )

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Autolite Copper Core Spark Plugs 5245

Spark Plug, Copper Core, Resistor, 14mm x 1.25, Tapered Seat, 0.679 in, Reach, Each

Part Number: ATL-5245

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Autolite Copper Core Spark Plugs 66

Spark Plug, Copper Core, Resistor, 14mm x 1.25, Gasket Seat, 0.750 in, Reach, Each

Part Number: ATL-66

5.0 out of 5 stars ( 3 )

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Champion Iridium Spark Plugs 9405

Spark Plug, Iridium, Iridium, 14mm Thread, 0.689 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: CPN-9405

5.0 out of 5 stars ( 4 )

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Autolite Copper Core Spark Plugs 685

Spark Plug, Copper Core, Resistor, 14mm x 1.25, Tapered Seat, 0.431 in, Reach, Each

Part Number: ATL-685

5.0 out of 5 stars ( 1 )

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Autolite Copper Core Spark Plugs 765

Spark Plug, Copper Core, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each

Part Number: ATL-765

5.0 out of 5 stars ( 1 )

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