The ACL Race Series Main Bearing Set in STD size is a high-performance crankshaft component designed for precision engine applications. Manufactured with Race Series (Tri-Metal) material, this bearing set is engineered for maximum durability and performance.

The set includes bearings for positions 1 and 4, each with a standard shaft diameter of 2.4011" to 2.4016" (60.988mm to 61.000mm). The oil clearance and maximum wall thickness are optimized for efficient lubrication and support. The housing bore measures 2.5984" to 2.5992" (66.000mm to 66.020mm), with a maximum length of 0.8270" (21.000mm) for position 1 and 0.7090" (18.000mm) for position 4.

Additionally, the set includes thrust washers (2T8468-STD) for added stability and support. The ACL Race Series brand has a long-standing reputation for quality, precision, and innovation in the automotive industry. With over 70 years of experience, ACL is a trusted OEM supplier and aftermarket manufacturer.

The ACL RACE Series Performance Engine Bearings are known for their robust metallurgy and exceptional performance in various motorsport disciplines. From Formula 1 to drag racing, ACL bearings have proven themselves on the track time and time again. Engine builders worldwide rely on ACL for their superior range of performance engine bearings.

ACL's commitment to quality is evident in their vertical integration process, encompassing design, manufacturing, and quality control. The company holds ISO9001: 2015, ISO14001: 2015, and ISO451001: 2018 certifications for their Business Management Systems, ensuring the highest standards of quality and safety.

Choose ACL Race Series Main Bearing Set in STD size for your high-performance engine build and experience the difference that decades of precision engineering and motorsport heritage can make. Trust ACL for your engine bearing needs and drive with confidence on and off the track.