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GP99GT · 05-04-2007, 03:09 PM

yeah...the 96-97 has GT40 heads, 98+ has GT40P which has a different spark plug angle which makes it hard to use with certain headers, but they flow the best

05-04-2007, 03:09 PM	#20
GP99GT Mr Fantastic Join Date: Aug 2004 Location: West Milford NJ Posts: 7,917 iTrader: (2)	yeah...the 96-97 has GT40 heads, 98+ has GT40P which has a different spark plug angle which makes it hard to use with certain headers, but they flow the best __________________ Matt B18B1 FTW