Collection: ACL Main Bearings
Shop ACL main bearings for performance engine builds, race engines, and bottom end upgrades that need strong crankshaft support and dependable oil control. ACL Race Series main bearings are designed to help maintain consistent oil film formation, reliable bearing clearance, and durability under high RPM, high load, and increased power conditions. These main bearings are a strong choice for engine builders replacing worn factory bearings or upgrading a performance engine for boosted, naturally aspirated, street, track, or motorsport use.