The ACL Race Series standard-size main bearing set with .001 in oil clearance fits Chevrolet V8 396/402/427/454 applications and is noted as narrowed. Offered as a high-performance replacement, these bearings match the standard journal dimensions with the specified .001 inch clearance and narrowed profile for direct installation in the listed Chevrolet big-block engines.

ACL Chevrolet V8 396/402/427/454 STD Size High Perf Main Bearing Set w/.001 Oil Clearance (Narrowed)