ARP1803600 - Head Bolt Kit - Oldsmobile 350-455, '76 And Earlier

High Performance Series:

ARP High Performance head bolts are available with a reduced wrenching hex or 12 point and a wide flanged head that eliminates the need for valve train removal to facilitate cylinder head retorquing. All high performance series bolts are 180,000 psi (Which is 15% stronger than grade 8) and kits come complete with hardened parallel ground washers.