ACL Bearings Mitsubishi 4D30 4D30A 4D31 4D31 4D34 STD

The ACL 5M1198-STD is a set of engine main bearings designed for specific Mitsubishi engines, including the 4D30, 4D30A, 4D31, 4D31, and 4D34. These bearings are constructed with a Tri-Metal material and feature an upper groove location.

ACL Race Series performance engine bearings are recognized in motorsports for their endurance and capability. They are used in race engines that have achieved records and championships across various forms of competition, from sport compact drift racing to NASCAR and NHRA events. The combination of design, metallurgy, and engineering in these bearings allows them to perform under demanding conditions.