ACL Race Series main bearings for Mitsubishi 4G63/4G64 6-bolt 1st-generation DSM engines are a 0.025mm oversized high-performance main bearing set supplied for rebuilds that require minor oversize journals. These bearings provide precise 0.025mm oversize sizing to correct crank fitment after machining and are intended for use in 1st-gen DSM engine rebuilds where that oversize specification is required.
ACL Mitsubishi 4G63/4G64 6 Bolt 1st Gen DSM 0.025mm Oversized High Performance Main Bearing Set