The ARP head bolt kit for Oldsmobile 350–455 applications contains 7/15in stainless steel 12-point head bolts supplied as a hardware set for cylinder head fastening. It identifies the bolt style and size explicitly and is intended to replace or upgrade the fasteners used to secure Oldsmobile big-block heads during engine assembly or rebuilds.
ARP Oldsmobile 350-455 7/15in SS 12pt Head Bolt Kit