ok here it is im helping a friend of mine build a dart block 351 and we are running the jegs/kazzi heads with the canted valves in them comp is around 13.5.1 we are useing arp headstuds but the problem we are running into now is the nut wil lscrew on the stud but u cant get a socket on the nut bc it is rite on the side of the casting for the rocker stud hole and if you try and gring it it willl prolly rip the threads out when u tighten the rocker stud has anybody ever used these heads with head studs ? any suggestions or answers for this will be greatly appreciated thanks in advance.