I'm starting to get my engine put together, and the ARP head bolts that I had purchased from someone seem to be the 1/2 instead of 7/16. so I was on ARP and can't decide what the difference is between
The Official ARP Web Site | Kits and these The Official ARP Web Site | Kits Except the $100 difference?
The Official ARP Web Site | Kits and these The Official ARP Web Site | Kits Except the $100 difference?