Spark Plugs - 0.375 in. Spark Plug Reach (in.) - 4 Manufacturer Heat Range - In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

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 ( 10 )

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NGK Iridium IX Spark Plugs XR4IX

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .375 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7189

5.0 out of 5 stars ( 3 )

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NGK Standard Series Spark Plugs B-4

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

Part Number: NGK-3210

4.0 out of 5 stars ( 1 )

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NGK V-Power Spark Plugs XR45

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

Part Number: NGK-4536

Not Yet Reviewed

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NGK Iridium IX Spark Plugs XR45IX

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .375 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7293

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NGK Standard Series Spark Plugs BPMR4A SOLID

Spark Plug, Resistor, Nickel Tip, Copper Core, 14mm Thread Size, 0.375 in. Reach, Gasket Seat, Each

Part Number: NGK-5113

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Champion Copper Plus Spark Plugs 978

USE AUP 3136

Part Number: CPN-978

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