ARP main bolt kit for Cadillac 331 engines from 1949–1962. The kit includes application-specific main fasteners intended as replacements during engine rebuilds or restorations. It’s specified to renew main cap clamping on the original Cadillac V8, helping restore correct crankshaft support and providing a direct-fit solution for restorations or performance rebuilds within the stated year range.
ARP Cadillac 331 49-62 main bolt kit