Introducing the ACL Race Series Performance Main Bearing Set in STD size, product code 5M8361H-STB. This high-quality crankshaft bearing set is manufactured by ACL Race Series, a leading brand in precision engine bearings for over 70 years.

Constructed with Race Series (Tri-Metal) material, this bearing set is designed for optimum performance and durability. The set includes bearings for positions 1, 2, 4, and 5, with standard shaft diameters of 2.1648"/2.1654" (54.985mm/55.000mm) and 1.9661"/1.9668" (49.938mm/49.956mm). The maximum wall thickness is 0.0787" (2.000mm), and the housing bore sizes are 2.3236"/2.3243" (59.020mm/59.038mm) and 2.1259"/2.1267" (53.998mm/54.018mm) respectively. The set also includes thrust washers with part number 2T1689-STD.

ACL Race Series is known for its robust metallurgy, precision engineering, and performance-oriented products. With a strong heritage in motorsport, including Formula 1, Australian Supercars Championship, drag racing, speedway, drifting, and rally, ACL Race Series bearings are trusted by engine builders worldwide.

With over 200 applications covering a wide range of performance engines from Australian, American, Japanese, Korean, and European manufacturers, ACL Race Series continues to expand its product range to accommodate new engine releases. The company maintains a high level of vertical integration, including tooling and product design, bearing strip manufacture, and quality control processes.

ACL's Business Management Systems are ISO certified for Quality Management, Environmental Management, and Occupational Health & Safety, ensuring the highest standards in manufacturing and product quality. Trust ACL Race Series Performance Main Bearing Set for your engine build and experience the difference in performance and reliability.