Apr 26, 2005 #1 S safireviper Enthusiast Joined Oct 10, 2001 Posts 279 Reaction score 0 Location Westlake Village, CA Does anybody use them and what is the cross reference number from Champions - RC12LYC ? Thanks
Apr 26, 2005 #2 S Schulmann Enthusiast Joined Apr 11, 2004 Posts 1,618 Reaction score 0 Location Canada They are good and widely available plugs NGK FR5-1 <=> Viper's stock plug RC12LYC NGK FR4 <=> Roe Supercharger's Bosch FR8DC
They are good and widely available plugs NGK FR5-1 <=> Viper's stock plug RC12LYC NGK FR4 <=> Roe Supercharger's Bosch FR8DC
Apr 26, 2005 #3 S STUGOTS Enthusiast Joined Feb 21, 2004 Posts 5,573 Reaction score 0 Location NY/CT I just bought the Iridum NGK's I'll let ya know how I like them once installed.
