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
2011 Indian Chief Blackhawk
2011 Indian Chief Blackhawk Dark
2010 Indian Chief Bomber
2010 Indian Chief Classic
2011 Indian Chief Classic
2010 Indian Chief Dark Horse
2011 Indian Chief Dark Horse
2009 Indian Chief Deluxe
2009 Indian Chief Roadmaster
2010 Indian Chief Roadmaster
2011 Indian Chief Roadmaster
2009 Indian Chief Standard
2009 Indian Chief Vintage
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2011 Indian Chief Vintage