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ACL Race Series oversized main bearings are specified for Mitsubishi 4G63/4G64 7-bolt second-generation DSM and Evo I–IV engines. These 0.25mm oversized, high-performance main bearings provide a larger diameter fit for rebuilt or modified rotating assemblies and are presented as part of ACL's race-focused bearing range, with source detail emphasizing application and sizing rather than material or durability claims beyond the product description.
ACL Mitsubishi 4G63/4G64 7 Bolt 2nd Gen DSM and EVO I-IV 0.25mm Oversized High Performance Main Bear
