nascartech
New member
wht valve spring do you guys suggest for the yella terra roller rockers 1.9 ratio and wht are your thought on 1.95 any good or not reliable im leaning toward 1.9 and possible head porting next year thanks
Crow 105's...not those busted ass Comp ones.
No...if you want to though, get Corvette LS7 ones.
^^Agreed. 6500 rpm's ftw