Enhance the performance and reliability of your engine with the ACL Race Series Main Bearing Set in STD size. The product code for this high-quality crankshaft component is 5M8378HX-STDBrand by ACL Race Series.

This main bearing set features an extra oil clearance of 0.001", ensuring optimal lubrication and protection for your engine. Crafted from Race Series Tri-Metal material, these bearings are designed to withstand high levels of stress and heat for improved durability and performance.

The set includes bearings for positions 1 and 5, with a standard shaft diameter of 2.3617"/2.3622" (59.987mm/60.000mm), maximum wall thickness of 0.0778" (1.977mm), and housing bore of 2.5197"/2.5206" (64.000mm/64.024mm). For positions 2, 3, and 4, the bearings have the same specifications but with a slightly shorter maximum length of 0.9110" (23.150mm).

Additionally, the set includes thrust washers (2T8377-STD) to complete the installation process seamlessly. With ACL's reputation for precision engineering and innovative design, you can trust that these main bearings will meet the highest standards of quality and performance.

ACL Race Series has been a trusted supplier of engine bearings for over 70 years, serving both OEM manufacturers and aftermarket customers worldwide. With a strong history in motorsport, including Formula 1 and Australian Supercars Championship, ACL has established itself as a leader in the industry.

Invest in the reliability and performance of your engine with the ACL Race Series Main Bearing Set in STD size. Trust ACL's expertise and reputation for excellence to keep your engine running smoothly and efficiently.