Seller notes

Spark Plug Code: RS14YC Copper Plus spark plug has a copper core center electrode that allows for accurate control of heat range, optimizing performance, and longevity of the spark plug. Patented SAC-9 semi-conductor resistor for maximum EMI and RFI suppression. Patented Ultraseal coated shell for rust prevention. Plug Type: RS14YC. Seat Type: Tapered. Hex Size (Inch): 0.625. Hex Size (MM): 15.88. Thread Size (Inch): 0.551. Thread Size (MM): 14. Thread Reach (Inch): 0.689. Taper Diameter (Inch):...

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