Introducing the ACL Race Series Main Bearing Set in a performance .025 Oversize, specifically designed for high-performance engines.

The product code for this set is 5M8378H-.025 and it falls under the Crankshaft category. Manufactured by ACL Race Series, these main bearings are crafted from Tri-Metal material, ensuring durability and reliability under extreme conditions.

The set includes bearings for positions 1 and 5, with a standard shaft diameter of 2.3617" to 2.3622" (59.987mm to 60.000mm), and a housing bore of 2.5197" to 2.5206" (64.000mm to 64.024mm). The maximum wall thickness is 0.0783" (1.990mm) and the maximum length is 0.9910" (25.180mm).

For positions 2, 3, and 4, the main bearings have the same shaft diameter and housing bore specifications, with a maximum wall thickness of 0.0783" (1.990mm) and a maximum length of 0.9110" (23.150mm). The set also includes 2 thrust washers (2T8377-STD) for added support.

The ACL Race Series brand has a rich history in precision engine bearings, with over 70 years of experience in manufacturing high-quality components. Based in Launceston, Tasmania, Australia, ACL has been an OEM supplier to the automotive industry and offers an extensive range of aftermarket products.

ACL's RACE Series Performance Engine Bearings have a strong reputation in motorsport, with a history of success in Formula 1, Australian Supercars Championship, drag racing, speedway, drifting, and rally events. Engine builders around the world trust ACL for their performance bearings.

With over 200 engine applications covered, ACL continues to expand its range to meet the needs of the global automotive market. The company's vertical integration ensures high-quality manufacturing processes from design to final product, with certifications in ISO9001:2015 Quality Management System, ISO14001:2015 Environmental Management System, and ISO45001:2018 Occupational Health & Safety Management System.

Upgrade your engine with the ACL Race Series Main Bearing Set for optimal performance and reliability in high-performance applications. Trust ACL for precision, innovation, and performance in every engine bearing set.