The ACL Race Series Main Bearing Set in STD size is a top-of-the-line performance upgrade for your engine. Designed for crankshafts, this product is part of ACL's Race Series line, known for its precision and durability.

With an extra 0.001" of oil clearance, this main bearing set is made from high-quality Race Series Tri-Metal material, making it ideal for high-performance engines. The set includes bearings for positions 1 to 6, with a standard shaft diameter of 2.4978" to 2.4988" (63.444mm to 63.470mm).

The oil clearance and maximum wall thickness specifications are to be announced, but the housing bore ranges from 2.6906" to 2.6916" (68.341mm to 68.367mm) with a maximum length of 0.8070" (20.500mm). The set is designed for a 63.4mm shaft size.

ACL Race Series has been a leader in precision engine bearings for over 70 years, supplying OEM parts to the automotive industry and offering a wide range of aftermarket products. With a strong history in motorsport, ACL Race Series bearings are trusted by engine builders worldwide for their quality, innovation, and performance.

From Formula 1 to Australian Supercars, ACL Race Series has a proven track record in high-performance racing. The company's extensive range covers over 200 engine applications, including Australian, American, Japanese, Korean, and European vehicles. With a focus on vertical integration and quality management systems, ACL ensures that their products meet the highest standards of excellence.

Upgrade your engine with the ACL Race Series Main Bearing Set in STD size and experience the difference in performance and reliability that only ACL can deliver.