This ACL oversized main bearing set is specified for 2004+ GM and Cadillac Commodore/CTS/Malibu/G6/G8 with 3.2L or 3.6L HFV6 engines as a 0.25 oversize option. The set supplies replacement main bearings sized to accommodate machined or upgraded crank journals, restoring proper clearances during rebuilds. It’s a direct service item for engine refreshes where journal oversize tolerances are required.
ACL 2004+ GM/Cadillac Commodore/CTS/Malibu/G6/G8 3.2L/3.6L HFV6 - 0.25 Oversized Main Bearing Set