The ACL Race Series Main bearing set in STD size is a top-of-the-line performance product designed for precision engine building. With the product code 5M1237H-STDBrand, this crankshaft bearing set is perfect for those looking to enhance the performance and durability of their engine.

Constructed from ACL's renowned Race Series Tri-Metal material, this bearing set is known for its robust metallurgy, quality, and innovation. The set includes bearings for positions 1 through 5, ensuring complete coverage for your engine.

Featuring an extra oil hole for improved lubrication, this set is designed to handle the high demands of racing and performance driving. The standard shaft diameter of 2.0462"/2.0466" and maximum wall thickness of 0.0786" provide a precise fit for optimal engine performance.

The housing bore of 2.2047"/2.2054" and maximum length of 0.7090" ensure a secure fit and maximum durability. With a focus on precision and performance, ACL Race Series bearings are the first choice for engine builders around the world.

With over 70 years of experience in the industry, ACL has a proven track record of excellence in manufacturing engine bearings. From supplying major OEMs to providing a comprehensive range of aftermarket products, ACL is a trusted name in the automotive industry.

Whether you're racing in the Australian Supercars Championship or building a high-performance street car, ACL Race Series bearings are the ultimate choice for quality, precision, and performance. Upgrade your engine with ACL Race Series Main bearing set and experience the difference in reliability and performance.