RN12YC Champion Spark Plug = 32311-83

$ 3.95

Fits Harley-Davidson Big Twins 1975-1990

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
  • 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