Experience improved engine durability and performance with ACL Race Series Main Bearings designed specifically for Subaru EJ20, EJ22, and EJ25 engines. These high performance main bearings are crafted for the thrust bearing position number five, featuring a 0.025mm oversized specification that ensures precise fitment and enhanced reliability under high stress conditions.

Manufactured with top-grade materials and designed for motorsport and enthusiast applications, ACL bearings offer outstanding wear resistance and strength. Upgrade your engine build with these bearings to achieve smoother operation, reduced friction, and prolonged engine life, making them an essential component for your high performance tuning projects.

The ACL Subaru main bearings come with a trusted MPN 5M8309H-.025 and SKU acl5M8309H-.025, signifying their exact specifications and compatibility. Whether you are rebuilding your engine or upgrading for performance gains, these bearings provide the quality and precision your Subaru engine deserves. Trust ACL's racing pedigree and experience the difference in your engine's bottom end reliability and efficiency with these race series main bearings..

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