The ACL Race Series Main Bearing set in .025 Oversize is a high-performance crankshaft bearing set designed for precision engine builders and enthusiasts looking to maximize engine performance. This set, with the product code 5M1633H-.025, is part of the trusted ACL Race Series brand, known for its quality, precision, and performance.

Constructed from Race Series Tri-Metal material, these main bearings are designed for positions 1, 2, 4, and 5, ensuring optimal performance and reliability. With a standard shaft diameter of 2.0847"/2.0852" (52.951mm/52.964mm), maximum wall thickness of 0.0719" (1.827mm), and housing bore of 2.2305"/2.2310" (56.654mm/56.667mm), these bearings are built to withstand high RPMs and heavy loads.

The .025mm oversize ensures a perfect fit for your engine, providing the necessary clearance for smooth operation. The ACL Race Series Main Bearing set is ideal for high-performance applications where precision and reliability are crucial.

With over 70 years of experience in manufacturing precision engine bearings, ACL Race Series has a strong reputation for quality and performance. Their bearings have been used in various motorsport disciplines, including Formula 1, Australian Supercars Championship, drag racing, speedway, drifting, and rally.

The ACL Race Series Main Bearing set in .025 Oversize is a top choice for engine builders worldwide who demand the best in performance and reliability. Trust ACL for your engine bearing needs and experience the difference in quality and performance.