Spark Plug Harley RN12YC 5R6A

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Retail: $4.00 Price: $3.29
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    Champion Copper Plus® spark plugs are a great choice for your Harley Evolution 1340 or late model Shovelhead and are the OE-replacement for the stock 5R6A 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 late ’78-’84 Shovelhead and ’84-’99 Evolution 1340-equipped models. Replaces HD 5R6A, Harley 32342-04. 

    Spark plugs sold each.


    Evolution 1340  1984-1999
    Shovelhead  Late 1978-1984



    Not for use on Twin Cam or Sportsters.