Re: head stud question need answer ASAP
I've seen 425s handle more, but 625s would definitely hold. Just keep in mind that you have to do all the right prep work to the block and heads for it to hold together.
2004 6.0 ccsb Warren 430/150 hybrids, Warren Comp Trans, Warren Dual Hpop, Billet S475 w/race cover, Marty's A1000 Fuel System, Colt Stage 2, and all the other supporting stuff
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