Champion Spark Plug RA8HC For Harley-Davidson
- 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: 12 mm
- Reach: 19 mm
- Fits:
- Sportster 1986 and later
- Twin Cam 1999-2017
- Replaces OEM: 32362-04A, 6R12
- Sold by unit
- Made in USA