The ACL Race Series Main Bearing Set in STD size is a high-performance crankshaft component designed for precision engine rebuilding. With a product code of 7M2398H-STB, this bearing set is manufactured by ACL Race Series, a renowned brand in the automotive industry known for its quality and innovation.

Made from Race Series (Tri-Metal) material, these main bearings are suitable for positions 1, 2, 3, 4, 5, and 6 in the engine. The standard shaft diameter ranges from 2.4978" to 2.4988" (63.444mm to 63.470mm), while the housing bore measures 2.6906" to 2.6916" (68.341mm to 68.367mm). The maximum wall thickness is 0.0954" (2.423mm) and the maximum length is 0.8070" (20.500mm).

The ACL Race Series is well-known for producing engine bearings with robust metallurgy, precision, and performance. With over 70 years of experience in the industry, ACL has been a trusted OEM supplier to the automotive industry and offers an extensive range of replacement products for the global aftermarket.

This performance main bearing set is designed for a 63.4mm shaft size and is suitable for various performance engine applications, including Australian, American, Japanese, Korean, and European vehicles. The ACL Race Series bearings have a strong pedigree in motorsport, with a history of supplying engine bearings for Formula 1, Australian Supercars Championship, drag racing, speedway, drifting, and rally events.

With a focus on quality and innovation, ACL Race Series bearings are the preferred choice for engine builders worldwide. The company's integrated manufacturing process includes tooling design, bearing strip manufacture, and complex production systems, ensuring the highest level of quality control.

Overall, the ACL Race Series Main Bearing Set in STD size is a top-of-the-line crankshaft component that offers superior performance, durability, and precision for your engine rebuilding needs. Trust ACL Race Series for all your engine bearing requirements and experience the difference in quality and reliability.