ACL oversize main bearings for Mitsubishi 4G63/4G64 6-bolt 1st-generation DSM engines provide a 0.25mm oversize main bearing set for rebuilds requiring larger journal dimensions. These bearings deliver precise oversize sizing to restore proper crank fit after machining and are intended for use when a 0.25mm main oversize specification is specified for the listed DSM engine applications.
ACL Mitsubishi 4G63/4G64 6 Bolt 1st Gen DSM 0.25mm Oversized High Performance Main Bearing Set