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ACL Race Series main bearings for Mitsubishi 4G63/4G64 fit second-generation 7-bolt DSM and Evo I–IV engines in standard size. Marketed as high-performance main bearings, they provide direct-fit replacement sizing for rebuilt or refreshed engines where a standard diameter is required. The description frames these parts within ACL’s race-oriented series without additional inferred claims about materials or service life.
ACL Mitsubishi 4G63/4G64 7 Bolt 2nd Gen DSM and EVO I-IV Standard Size High Performance Main Bearing
