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J12YC Champion Spark Plug =3-4

J12YC Champion Spark Plug =3-4

$ 3.20

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 for 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

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