The ACL Race Series main bearing set fits Chevrolet V8 engines 267, 305, 327 and 350 for race applications, supplying main shells intended for higher-load use. These race-series mains are intended for performance-focused rebuilds of small-block Chevrolet V8s where race-grade main bearing components are preferred to support demanding operation.
ACL Chevrolet V8 267-305-327-350 Race Series Engine Crankshaft Main Bearing Set