The ACL Race Series Performance .25 Oversize Conrod Bearing Set (Product Code: 4B8320H-.25) is a high-quality connecting rod bearing set designed to provide maximum performance for your engine. This set is designed to suit a 48mm journal and is part of the renowned ACL Race Series brand, known for its precision, durability, and innovation.

Constructed from Race Series (Tri-Metal) material, these bearings are suitable for use in all positions and have a standard shaft diameter of 1.8891"/1.8898" (47.984mm/48.000mm). The oil clearance is to be determined, while the maximum wall thickness is 0.0590" (1.498mm) and the housing bore diameter is 2.0079"/2.0087" (51.000mm/51.020mm). The maximum bearing length is 0.6150" (15.630mm), and this set is designed to be 0.25mm oversize.

ACL has been manufacturing precision engine bearings for over 70 years in Launceston, Tasmania, Australia, and has been a major OEM supplier to the automotive industry globally. The ACL Race Series Performance Engine Bearings have a strong reputation for robust metallurgy, quality, precision, innovation, and performance, making them the top choice for engine builders around the world.

With a rich history in motorsport, ACL has been a trusted name in racing since the 1960s, supplying engine bearings for Formula 1, Australian Supercars Championship, drag racing, speedway, drifting, and rally. The ACL Race Series Performance Engine Bearing range covers over 200 engine applications for Australian, American, Japanese, Korean, and European vehicles, with new applications being added regularly.

ACL's dedication to quality is evident in their vertical integration process, which includes tooling and product design, bearing strip manufacture, tooling and machine manufacture, and comprehensive manufacturing systems. The company holds ISO9001:2015 Quality Management System, ISO14001:2015 Environmental Management System, and ISO45001:2018 Occupational Health & Safety Management System certifications, ensuring that their products meet the highest standards of quality and performance. Trust ACL Race Series for all your high-performance engine bearing needs.