The ACL Race Series Main bearing set in performance STD size is a top-of-the-line product designed for high-performance engines. With standard width flanges for all undersizes, this bearing set is sure to provide the durability and reliability that performance engines demand.

Made from Race Series Tri-Metal material, these bearings are designed for positions 1, 2, 4, and 5 with a standard shaft diameter of 2.2433"/2.2441" (56.980mm/57.000mm). The oil clearance and maximum wall thickness are to be determined, ensuring a precise fit for your engine. The housing bore is 2.4016"/2.4024" (61.000mm/61.020mm) with a maximum length of 0.9060" (23.000mm) for positions 1, 2, 4, and 5, and 1.1400" (28.950mm) for position 3.

The ACL Race Series has a rich history in motorsport and precision engine bearing manufacturing. With over 70 years of experience, ACL has become a trusted OEM supplier to the automotive industry, providing a wide range of replacement products for the global aftermarket. The Race Series Performance Engine Bearings are known for their robust metallurgy, quality, precision, innovation, and performance.

From Formula 1 to Australian Supercars Championship, drag racing, speedway, drifting, and rally, ACL Race Series bearings have been the first choice for engine builders around the world. With a global reputation for excellence, ACL continues to expand its range to cover new engine releases and various performance applications.

With ISO9001:2015 Quality Management System, ISO14001:2015 Environmental Management System, and ISO451001:2018 Occupational Health & Safety Management System certification, you can trust in the quality and precision of ACL Race Series Main bearing set-performance STD Size. Upgrade your engine with the best in the business and experience the difference that ACL Race Series bearings can make in your performance machine.