The ACL Race Series Main Bearing Set in 020 Oversize is a high-performance crankshaft component designed for precision engine building.

Made from Race Series (Tri-Metal) material, this set includes bearings for positions 1, 2, 4, and 5 with standard shaft diameters ranging from 2.7484" to 2.7492" (69.809mm to 69.830mm). The oil clearance and maximum wall thickness are to be determined, with housing bores measuring 2.9417" to 2.9425" (74.719mm to 74.740mm) and a maximum length of 0.8800" (22.350mm) for positions 1, 2, 4, and 5. Position 3 bearings have similar specifications with a maximum length of 1.1180" (28.400mm) and a 0.50mm oversize.

ACL Race Series has over 70 years of experience in manufacturing precision engine bearings in Launceston, Tasmania, Australia. As a major OEM supplier to the automotive industry, ACL also offers an extensive range of replacement products for the global aftermarket. With a reputation for robust metallurgy, quality, precision, innovation, and performance, ACL has a strong pedigree in motorsport dating back to the 1960s.

The ACL Race Series Performance Engine Bearings are the first choice for discerning engine builders worldwide, with a range covering over 200 engine applications for Australian, American, Japanese, Korean, and European vehicles. The company's vertical integration allows for complete control over the manufacturing process, ensuring the highest quality standards.

Certified with ISO9001:2015 Quality Management System, ISO14001:2015 Environmental Management System, and ISO451001:2018 Occupational Health & Safety Management System, ACL is dedicated to producing top-of-the-line engine components for racing and performance applications. Upgrade your crankshaft with the ACL Race Series Main Bearing Set for superior durability and reliability on the track.