Strong Bottom End

dodgedifferent2 said

I had issues with clearance when i used the arp studs. I put them back in the box and sold them. Can't remember exactly but I believe it was around the oil pump and I was not willing to grind down a washer and the stud for clearence

Using stock maincap bolts now with around 450 hp in my 418 w2.

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You either use a stock bolt under oil pump or you use a stud with thinner 12 point nut and grind it down .050 ish...aftwr that the only issue is line honing after the studs, typically, scooch the caps around. Yes I've used the factory main bolts many times, and even the one bolt under pump and rest studs . Works fine.