ACL Race Series Main Bearings | 1997+ Mitsubishi 4G63/4G63T/4G64 STD Size W/Thrust washers

Race Series Main Engine Bearings by ACL High performance driving demands that you use the best parts. So rely on ACL Race Series performance engine bearings to perform to exacting race standards you expect. They provide the dependability it takes to hold up under higher RPM conditions. The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance trimetal bearings. These ACL Race Series performance engine bearings go the distance. ACL Race Series performance engine bearings are manufactured to exacting tolerances with particular attention paid to wall thickness accuracy. This ensures reliable fit and helps maintain consistent clearances. Features High strength lead-tin-copper overlay plate with reduced thickness Hardened steel backing to assist with bearing retention Layers of nickel barrier and high fatigue strength copper-lead lining Elimination of flash plating on the back of the bearings Increased eccentricity to c