The ACL Race Series Main Bearing Set in .025 oversize is a high-performance crankshaft bearing set designed for precision engine building.

This product is part of the Race Series line from ACL, a brand with over 70 years of experience manufacturing precision engine bearings in Launceston, Tasmania, Australia. As a major OEM supplier to the Australian and international automotive industry, ACL has built a global reputation for quality, innovation, and performance.

The Race Series Performance Engine Bearings are specifically designed for motorsport applications, with a pedigree that traces back to the 1960s when ACL manufactured engine bearings for the Brabham Formula 1 team. Today, ACL bearings are the first choice for engine builders in a wide range of motorsport disciplines, including Australian Supercars, drag racing, speedway, drifting, and rally.

This Main Bearing Set features overwidth flanges for undersizes, providing superior thrust in the #5 position. The material used is a Tri-Metal alloy, ensuring robust performance under extreme conditions. The bearings are available in .025 oversize, with detailed specifications for shaft diameter, oil clearance, wall thickness, housing bore, and maximum length provided for positions 1, 2, 3, and 4.

With ACL's dedication to quality, precision, and innovation, the Race Series Performance Engine Bearing Set is a reliable choice for engine builders looking to enhance the performance and durability of their high-performance engines. Trust ACL for all your engine bearing needs and experience the excellence that comes with over seven decades of industry-leading expertise.