ACL Race Series has been a trusted name in precision engine bearings for over 70 years, with a reputation for quality, innovation, and performance. The ACL Race Series Main Bearing Set in performance 001 Oversize is no exception.

This crankshaft bearing set, with product code 5M909H-001, is made from Race Series (Tri-Metal) material and is designed for positions 1, 2, 3, and 4 on the crankshaft. The standard shaft diameter ranges from 2.4484" to 2.4493" (62.189mm to 62.212mm) with a maximum wall thickness of 0.0954" (2.423mm). The housing bore measures from 2.6406" to 2.6416" (67.071mm to 67.097mm), and the max length is 0.8070" (20.500mm).

These bearings are available in standard shaft OD 62.1mm size, as well as 0.025mm oversize for a perfect fit and optimal performance. The oil clearance is to be determined for each specific application, ensuring the best possible engine performance.

Each ACL Race Series Main Bearing Set is manufactured in Launceston, Tasmania, Australia, with a high degree of vertical integration and strict quality control processes. The company holds ISO9001: 2015 Quality Management System, ISO14001: 2015 Environmental Management System, and ISO451001: 2018 Occupational Health & Safety Management System certifications to ensure the highest standards are met.

From Formula 1 to Australian Supercars Championship, ACL Race Series Performance Engine Bearings have a rich history in motorsport and continue to be the top choice for engine builders worldwide. With over 200 engine applications covered and a commitment to innovation and performance, ACL Race Series Main Bearing Set in performance 001 Oversize is the perfect choice for your high-performance engine needs.