The ACL Race Series Main Bearing Set in performance STD size (Product Code: 5M1432H-STDBrand) is a top-of-the-line crankshaft component that is designed to deliver exceptional reliability and performance for your engine.

This set features a unique half groove with a center tang in the cap and offset in the block design, providing superior stability and precision. Made from ACL's renowned Race Series (Tri-Metal) material, these bearings are built to withstand high-stress environments and deliver maximum durability.

With specifications including positions 1, 2, 4, and 5, a standard shaft diameter of 2.9994" to 3.0002" (76.185mm to 76.205mm), and a maximum wall thickness of 0.0957" (2.430mm), these bearings are engineered to meet the demands of high-performance engines. The housing bore ranges from 3.1922" to 3.1930" (81.082mm to 81.102mm), and the maximum length is 1.1330" (28.780mm), ensuring a perfect fit and optimal performance.

The ACL Race Series brand has a long-standing history of excellence, with over 70 years of experience in manufacturing precision engine bearings. As a major OEM supplier to the automotive industry, ACL has built a global reputation for quality, precision, and innovation. The Race Series Performance Engine Bearings are the result of this rich heritage, offering unmatched performance and reliability.

With a strong presence in motorsport, including Formula 1, Australian Supercars Championship, drag racing, speedway, drifting, and rally, ACL's bearings have been trusted by engine builders worldwide. The extensive range of Race Series Performance Engine Bearings covers over 200 engine applications, catering to a wide variety of performance engines.

ACL's commitment to excellence is reflected in its vertical integration approach, encompassing tooling and product design, bearing strip manufacture, tooling and machine manufacture, and complex manufacturing processes. Certified with ISO9001:2015 Quality Management System, ISO14001:2015 Environmental Management System, and ISO451001:2018 Occupational Health and Safety Management System, ACL ensures the highest standards of quality and safety in every product. Choose ACL Race Series Main Bearing Set for unmatched performance and reliability in your engine.