The ACL Race Series Main Bearing Set in STD size is a high-performance crankshaft product designed for top-level engine performance. With the product code 4M2273H-STDBrand, this set is part of the renowned ACL Race Series category, known for its superior quality and reliability.

Constructed from Race Series (Tri-Metal) material, this Main Bearing Set is engineered for durability and precision. The set includes bearings for positions 1, 2, and 4, with a standard shaft diameter of 2.6768"/2.6775" (67.992mm/68.008mm). The oil clearance and maximum wall thickness are to be determined, while the housing bore ranges from 2.8687" to 2.8694" (72.866mm/72.882mm). The maximum length varies depending on the position, with a range of 0.7780" to 0.9560" (19.750mm to 24.290mm).

Position 3 includes both upper and lower bearings with the same specifications as positions 1, 2, and 4.

ACL Race Series is a trusted brand with over 70 years of experience in manufacturing precision engine bearings. Based in Launceston, Tasmania, Australia, ACL has been a leading OEM supplier to the automotive industry while also offering an extensive range of aftermarket products globally.

With a strong emphasis on metallurgy, quality, precision, innovation, and performance, ACL Race Series bearings are favored by engine builders in various motorsport disciplines, including Formula 1, Australian Supercars Championship, drag racing, speedway, drifting, and rally. The company's performance engine bearings cover a wide range of applications for Australian, American, Japanese, Korean, and European vehicles, and are continuously expanding to accommodate new engine releases.

ACL's commitment to excellence is evident in its vertical integration approach, which includes tooling and product design, bearing strip manufacture, tooling and machine manufacture, and stringent quality management systems. The company's ISO certifications for Quality Management, Environmental Management, and Occupational Health & Safety further reinforce its dedication to delivering top-notch products to customers worldwide. Choose the ACL Race Series Main Bearing Set in STD size for unbeatable performance and reliability in your engine build.