J12YC Champion Spark Plug =3-4

Deluxe HD Restorations Verified independent store

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Fits Harley-Davidson Big Twins 1948-1974 Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control fo r good overall wear. Copper Plus - Dependable Performance and Durability OE type replacement plug Resists fouling Copper core center electrode allows for accurate control of heat range for longer life Superior corrosion resistance Built to ISO and SAE standards for proven performance Show more