ACL standard main bearing set for 1997-and-later Gen III Chevrolet V8 engines—applications include 4.8, 5.3, 5.7 and 6.0 liters. The set’s intermediate shells use a 120° upper oil groove and the thrust bearing a 180° upper groove, maintaining designed oil flow around the mains. Intended to restore factory clearances and dependable crank support during standard rebuilds or maintenance.
ACL 1997+ Chevy V8 4.8/5.3/5.7/6.0 Gen 3 Standard Main Bearing Set