The ACL .30mm trimetal oversized main bearing set is made for Chevrolet small-block V8 engine rebuilds requiring larger journal clearances. Service coverage includes 1967–1998 Chevy V8 267, 305, 327 and 350 applications. This main bearing set provides OEM-style fit and clearance control to support oversized crankshaft installations during engine assembly.

ACL 1967-1998 Chevy V8 267/305/327/350 .30mm Trimetal Oversized Main Bearing Set