The ACL main bearing set for Chevrolet V8 400 engines (1970–1980) is a crankshaft main bearing kit intended for engine rebuilds and maintenance. Sized for the 400ci Chevy V8 applications and years listed, it supplies the main bearing shells required to support crankshaft rotation and help reestablish proper running clearances during reassembly, making it suitable for restorations or repairs of those engines.
ACL Chevrolet V8 400 1970-80 Engine Crankshaft Main Bearing Set