NGK: BKR7EIX POLARIS: Sportsman 4x4 >2000, Sportsman 600 4x4 2003>2005, Ranger 700 4x4 2006>, Ranger 700 6x6 2006>, Sportsman 700 4x4 2002>2005, Sportsman 800 4x4 2005> CAGIVA: Canyon 600 1996>1997, Super City 1995> IRIDIUM