Bujia Para Harley-Davidson Big Twin Evolution Champion Spark Plug RN12YC

Champion Spark Plug RN12YC For Harley-Davidson Big Twin Evolution 

• Champion Power sport series plugs include all the features of their conventional plugs, but are built with extreme engine conditions and durability in mind
• Copper Plus motorcycle spark plugs have a copper core center electrode that allows for accurate control of heat range, optimizing performance,and longevity for the sparkplug
• Fine wire electrodes increase ignitability by reducing spark quench
• Increased bore clearances between shell and core nose reduces fouling caused by carbon deposits
• Patented SAC-9 semi-conductor resistor for maximum EMI and RFI suppression
• Thread: 14 mm
• Reach: 19 mm
• Fits:
• Evolution Big Twin 1984-1999
• Shovelhead 1978-1984
• Replaces OEM: 5R6A, 32342-04
  
• Made in USA
• Sold each