Champion Copper Plus® spark plugs are a great choice for your Harley Twin Cam or Sportster and are the OE-replacement for the stock 6R12 factory plug. 

• The Champion copper plus spark plug features a copper core electrode that provides increased conductivity and heat control while delivering good overall wear characteristics
• Provides longer life; Copper core center electrode allows for accurate control of the plug's heat range, optimizing the plug's performance and adding to the longevity of the spark plug
• Engineered to exceed OE designs
• Maximum durability and dependable performance
• Fits Twin Cam, all models & Sportster all models 1986/Later. Replaces HD 6R12, Harley 32317-86A

Spark plugs sold in pairs (2).

Fitment:

Please do your own research to determine if these plugs will fit your application, they are not intended for use with Milwaukee Eight engines.