The ACL Race Series Main Bearing Set in .25 Oversize is a high-performance crankshaft component designed for maximum durability and precision in your engine build.

Constructed from ACL's renowned Race Series Tri-Metal material, these bearings are engineered for superior strength and reliability in demanding applications. The set includes bearings for positions 1 through 6, ensuring comprehensive coverage for your engine build.

Featuring a standard shaft diameter of 2.1634"/2.1644" (54.951mm/54.975mm), these bearings are designed to provide optimal oil clearance for smooth operation. The maximum wall thickness of 0.0719" (1.827mm) ensures a secure fit within the housing bore of 2.3089"/2.3094" (58.645mm/58.658mm).

With a maximum length of 0.7530" (19.120mm), these bearings offer ample surface area for reliable support and reduced wear. The oversize .25mm dimension provides additional material for enhanced performance in higher horsepower applications.

As part of the ACL Race Series lineup, these bearings uphold the brand's legacy of quality, precision, and innovation. With over 70 years of experience in manufacturing precision engine components, ACL has established itself as a trusted supplier to the automotive industry worldwide.

From Formula 1 to drag racing, ACL's bearings have proven themselves in the most demanding motorsport environments. Whether you're building a high-performance street car or a competitive race machine, ACL Race Series bearings deliver the strength and performance you need.

Choose ACL Race Series Main Bearing Set in .25 Oversize for your next engine build and experience the difference that precision engineering can make in your performance journey.