The ACL Race Series Main Bearing Set in STD Size is a top-of-the-line product designed for performance engine builders who demand the best. With a product code of 5M1010H-STB, this set is part of the Crankshaft category and is manufactured using Race Series (Tri-Metal) material for exceptional durability and strength.

Featuring bearings for positions 1, 2, 4, and 5 with a standard shaft diameter of 2.7484"/2.7492" (69.809mm/69.830mm), this set offers precise fitment for a range of engines. The oil clearance and maximum wall thickness are optimized for performance applications, ensuring proper lubrication and support under high stress conditions.

For position 3, the STD shaft diameter and housing bore measurements are the same as positions 1, 2, 4, and 5, with a maximum length of 1.1180" (28.400mm) to accommodate different engine configurations.

ACL has a longstanding reputation for manufacturing high-quality engine bearings, with over 70 years of experience in the industry. As a major OEM supplier and aftermarket leader, ACL's Race Series bearings are known for their robust metallurgy, precision engineering, and proven performance in motorsport applications.

From Formula 1 to drag racing and beyond, ACL Race Series bearings have a proven track record of success in the most demanding environments. With a global reputation for excellence, ACL continues to innovate and expand its product range to meet the needs of modern engine builders.

When you choose ACL Race Series Main Bearing Set in STD Size, you can trust that you're getting a product that is designed to deliver exceptional performance and reliability. With ACL's commitment to quality and excellence, you can be confident in the durability and precision of these engine bearings for your next build.