Spark Plugs - 0.750 in. Spark Plug Reach (in.) - Ruthenium Electrode Tip Material - Free Shipping on Orders Over $109 at Summit Racing

NGK Ruthenium HX Spark Plugs FR6AHX-S

USE NIP 4702

Part Number: NGK-94279

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Spark Plugs, Ruthenium HX, Copper, Resistor, 14mm Thread Size, 0.750 in. Reach, Flat Seat, Each

Part Number: NGK-92400

5.0 out of 5 stars ( 1 )

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Spark Plug, Ruthenium HX, Copper Core, Projected, 14mm Thread Size, 0.750 in. Reach, Gasket Seat, Each

Part Number: NGK-96457

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USE NIP 4701

Part Number: NGK-95839

5.0 out of 5 stars ( 1 )

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Spark Plug, Ruthenium HX, Copper Core, Projected, 14mm Thread Size, 0.750 in. Reach, Gasket Seat, Each

Part Number: NGK-95159

5.0 out of 5 stars ( 2 )

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Spark Plug, Ruthenium HX, Copper Core, Projected, 14mm Thread Size, 0.750 in. Reach, Gasket Seat, Each

Part Number: NGK-92375

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Estimated Ship Date: Sep 29, 2025 if ordered today

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Estimated Ship Date: Sep 29, 2025 if ordered today