- 2017-2018 Harley M8 Models, 2015-2018 XG500, XG750 & XG750A
- Cross references to NGK CR9EIX and Harley-Davidson RG6HCC
- The ultimate in spark plug technology and performance
- Iridium electrode is smaller than a standard electrode; requires less voltage
- Hotter spark and extended spark plug service life compared to conventional plugs
- Has the distinctive black ceramic with red lettering and gold-colored corrosion-protected coating on the metal shell
- Exceed OEM specifications for plug service life
- Sold in pairs in convenient blister pack