​The ACL Performance Race Series Rod Bearing Set 8B663H-020 is designed for GM LS-series engines, featuring tri-metal construction and a .020" undersize for precision fit and durability.

The ACL Performance Race Series Rod Bearing Set for GM LS engines (.010 undersize) features tri-metal construction for improved durability in high-performance applications.

The ACL Cam Bearing Set for GM LS engines (2003-on) is a standard-size bearing kit designed for precise camshaft support and smooth engine operation.

The ACL Cam Bearing Set for GM LS engines (1997-2003) is a standard-size bearing kit designed for early LS blocks with tri-metal construction for durability.