C Cobrakid Founding Member Dec 9, 1999 495 0 0 lower Delaware Jan 2, 2004 #1 Jan 2, 2004 #1 Hi guys, Does anybody know what spark plugs I can instll in some GT40X heads that are 2 steps colder??? thanks,
Hi guys, Does anybody know what spark plugs I can instll in some GT40X heads that are 2 steps colder??? thanks,