The ACL Race Series Main bearing set in performance 010 Oversize (Product Code: 5M1039H-010) is a high-quality product designed for precision engine performance. Made from Race Series (Tri-Metal) material, this set is suitable for positions 1, 2, 4, and 5 on the crankshaft.

With a standard shaft diameter of 2.9994"/3.0002" (76.185mm/76.205mm), maximum wall thickness of 0.0959" (2.436mm) and housing bore diameter of 3.1922"/3.1930" (81.082mm/81.102mm), this main bearing set ensures a perfect fit and optimum performance. The set comes in a size of 0.25mm Oversize, perfect for engine builders looking to enhance performance.

ACL Race Series has a renowned reputation in the industry, with over 70 years of experience in manufacturing precision engine bearings in Launceston, Tasmania, Australia. The company has been a major OEM supplier to the automotive industry and offers an extensive replacement product range for the global aftermarket.

The ACL Race Series Performance Engine Bearings are built with robust metallurgy, quality, precision, innovation, and performance. With a strong pedigree in motorsport, ACL has a history of manufacturing engine bearings for various racing disciplines, making them the first choice for discerning engine builders worldwide.

With a range of over 200 engine applications covering Australian, American, Japanese, Korean, and European vehicles, ACL continues to expand its product offerings to cover new engine releases. The company's vertical integration includes tooling and product design, bearing strip manufacture, and complex manufacturing processes to ensure top-quality products.

ACL's Business Management Systems are certified with ISO9001:2015 Quality Management System, ISO14001:2015 Environmental Management System, and ISO451001:2018 Occupational Health & Safety Management System, showcasing their commitment to quality and safety standards. Overall, the ACL Race Series Main bearing set in performance 010 Oversize is a top-of-the-line product that guarantees superior performance and durability for your engine.