ShallowGrave Founding Member Sep 30, 2001 371 0 16 Philadelphia Jul 11, 2011 #1 Jul 11, 2011 #1 I see header bolts in both 1 inch & 3/4 inch lengths. Which onces do I need? I have stock heads & prob. won't upgrade to aftermarket.
I see header bolts in both 1 inch & 3/4 inch lengths. Which onces do I need? I have stock heads & prob. won't upgrade to aftermarket.
Rick 91GT Mustang Master Nov 29, 1999 9,692 95 99 PA Jul 11, 2011 #2 Jul 11, 2011 #2 3/4" length will work with the stock heads and any aftermarket head, the 1" are TOO LONG for most aftermarket Alum heads.
3/4" length will work with the stock heads and any aftermarket head, the 1" are TOO LONG for most aftermarket Alum heads.