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
2007 Cobra Ecx50
2008 Cobra Ecx50
2009 Cobra Ecx50
2006 Cobra P3
2007 Cobra CX65
2008 Cobra CX65
2009 Cobra CX65
2009 Cobra CX65 C.A.R.D.
2005 Cobra CM50
2006 Cobra CM50
2005 Cobra King
2006 Cobra King
1989 Honda TRX250R
1999 Yamaha XVS11 V-Star 1100 Custom
2000 Yamaha XVS11 V-Star 1100 Custom
2001 Yamaha XVS11 V-Star 1100 Custom
2002 Yamaha XVS11 V-Star 1100 Custom
2003 Yamaha XVS11 V-Star 1100 Custom
2004 Yamaha XVS11 V-Star 1100 Custom
2005 Yamaha XVS11 V-Star 1100 Custom
2006 Yamaha XVS11 V-Star 1100 Custom
2007 Yamaha XVS11 V-Star 1100 Custom
2008 Yamaha XVS11 V-Star 1100 Custom
2009 Yamaha XVS11 V-Star 1100 Custom
1999 Yamaha XVS11A V-Star 1100 Classic
2000 Yamaha XVS11A V-Star 1100 Classic
2001 Yamaha XVS11A V-Star 1100 Classic
2002 Yamaha XVS11A V-Star 1100 Classic
2003 Yamaha XVS11A V-Star 1100 Classic
2004 Yamaha XVS11A V-Star 1100 Classic
2005 Yamaha XVS11A V-Star 1100 Classic
2006 Yamaha XVS11A V-Star 1100 Classic
2007 Yamaha XVS11A V-Star 1100 Classic
2008 Yamaha XVS11A V-Star 1100 Classic
2009 Yamaha XVS11A V-Star 1100 Classic
2002 Yamaha XVS11AT V-Star 1100 Silverado
2003 Yamaha XVS11AT V-Star 1100 Silverado
2004 Yamaha XVS11AT V-Star 1100 Silverado
2005 Yamaha XVS11AT V-Star 1100 Silverado
2006 Yamaha XVS11AT V-Star 1100 Silverado
2007 Yamaha XVS11AT V-Star 1100 Silverado
2008 Yamaha XVS11AT V-Star 1100 Silverado
2009 Yamaha XVS11AT V-Star 1100 Silverado
1991 Yamaha XV1100 Virago
1992 Yamaha XV1100 Virago
1993 Yamaha XV1100 Virago
1994 Yamaha XV1100 Virago
1995 Yamaha XV1100 Virago
1996 Yamaha XV1100 Virago
1997 Yamaha XV1100 Virago
1998 Yamaha XV1100 Virago
1999 Yamaha XV1100 Virago
1991 Yamaha XV750 Virago
1992 Yamaha XV750 Virago
1993 Yamaha XV750 Virago
1994 Yamaha XV750 Virago
1995 Yamaha XV750 Virago
1996 Yamaha XV750 Virago
1997 Yamaha XV750 Virago
1998 Yamaha XV750 Virago
1984 Yamaha XV500 Virago
1995 Polaris SL650
1994 Polaris SL650
1997 Polaris SL700 DLX
1995 Polaris SL750
1994 Polaris SL750
1995 Polaris SLT 750