Featuring a 98% pure copper core and high-grade alumina silicate ceramic for improved throttle response, service life and performance.
Cold-rolled threads
Trivalent plating
Specialized ground electrode designs

Fitment
1980 Harley Davidson XLH1000 Sportster 1000
1981 Harley Davidson XLH1000 Sportster 1000
1982 Harley Davidson XLH1000 Sportster 1000
1983 Harley Davidson XLH1000 Sportster 1000
1984 Harley Davidson XLH1000 Sportster 1000
1985 Harley Davidson XLH1000 Sportster 1000
1980 Harley Davidson XLS1000 1000 Roadster
1981 Harley Davidson XLS1000 1000 Roadster
1982 Harley Davidson XLS1000 1000 Roadster
1983 Harley Davidson XLS1000 1000 Roadster
1984 Harley Davidson XLS1000 1000 Roadster
1985 Harley Davidson XLS1000 1000 Roadster
1983 Harley Davidson XLX1000 Sportster Sixty One 1000
1984 Harley Davidson XLX1000 Sportster Sixty One 1000
1985 Harley Davidson XLX1000 Sportster Sixty One 1000