This ACL .20mm oversized main bearing set fits 1955–1967 Chevy V8 engines (265/283/302/327) and provides main bearings sized +0.20mm for use with machined undersize crankshafts. Supplied as a complete main bearing kit, it restores factory-style bearing clearances during engine rebuilds and ensures correct journal support when paired with corresponding crankshaft machining.

ACL 1955-1967 Chevy V8 265/283/302/327 .20mm Oversized Main Bearing Set