The ACL Race Series Main Bearing Set in .25 Oversize is a top-of-the-line product designed for high performance engines. With a product code of 5M1219H-.25, this set is a must-have for any serious engine builder.

This set, part of the Crankshaft category, features separate thrust washers for added precision and durability. Made from ACL's renowned Race Series (Tri-Metal) material, these bearings are designed to withstand the extreme conditions of high-performance engines.

The set includes bearings for positions 1 through 5, with a standard shaft diameter of 2.2435"/2.2441" (56.985mm/57.000mm). The maximum wall thickness is 0.0783" (1.990mm) and the housing bore diameter is 2.4016"/2.4024" (61.000mm/61.021mm). The maximum length of the bearings is 0.8120" (20.630mm) and they are designed to provide an optimal oil clearance.

The set also includes thrust washers (1T1219-STD) and is available in a .25mm Oversize, making it perfect for engines that require a slightly larger bearing size.

ACL Race Series has a long history of manufacturing precision engine bearings in Launceston, Tasmania, Australia. With over 70 years of experience, ACL has become a major OEM supplier to the automotive industry while also providing a wide range of aftermarket products.

The company has a strong presence in motorsport, with a pedigree that dates back to the 1960's when they supplied engine bearings to the world champion Brabham Formula 1 team. Today, ACL continues to be a trusted name in motorsport, with their RACE Series Performance Engine Bearings being the top choice for engine builders worldwide.

With over 200 different engine applications covered, ACL Race Series offers performance engine bearings for a wide range of vehicles from various manufacturers. The company prides itself on its robust metallurgy, quality, precision, innovation, and performance.

When you choose ACL Race Series, you can be confident that you are getting a high-quality product that is backed by years of experience and expertise in the industry. Upgrade your engine with ACL Race Series Main Bearing Set in .25 Oversize and experience the difference in performance and durability.