The ACL Race Series Main Bearing Set in STD Size is the perfect choice for engine builders looking to enhance the performance and durability of their crankshaft. With a 0.001" extra oil clearance, this set is designed to provide optimal lubrication and reduce friction for improved engine efficiency.

Constructed from ACL's renowned Race Series Tri-Metal material, this main bearing set is built to withstand high levels of stress and heat, making it ideal for performance applications. The set includes bearings for positions 1 through 6, ensuring a complete replacement for your crankshaft.

With a standard shaft diameter ranging from 2.1634" to 2.1644" (54.951mm to 54.975mm), this set is compatible with a wide range of engines. The maximum wall thickness of 0.0714" (1.814mm) and housing bore diameter of 2.3089" to 2.3094" (58.645mm to 58.658mm) ensure a precise fit for optimal performance.

ACL Race Series has a long history of providing high-quality engine bearings to both OEM suppliers and the aftermarket. With a focus on precision, innovation, and performance, ACL Race Series bearings are trusted by engine builders around the world.

Whether you're building a high-performance race engine or looking to upgrade the bearings in your daily driver, the ACL Race Series Main Bearing Set in STD Size is the perfect choice for durability and performance. Trust ACL Race Series to deliver the quality and reliability you need to keep your engine running smoothly.