The ACL Race Series Main Bearing Set in .25mm Oversize is the perfect choice for engine builders looking for high-performance bearings with exceptional quality and precision. Made from ACL's Race Series Tri-Metal material, these bearings are designed to provide maximum durability and reliability under the most demanding conditions.

Specifically designed for positions 1, 2, 4, and 5, these main bearings have a standard shaft diameter of 2.0847"/2.0852" (52.951mm/52.964mm) and a housing bore of 2.2305"/2.2310" (56.654mm/56.667mm). With a maximum wall thickness of 0.0719" (1.827mm) and a maximum length of 0.7870" (20.000mm), these bearings are built to ensure optimal performance and longevity.

ACL Race Series has a long-standing reputation for manufacturing high-quality engine bearings for a wide range of applications, and the Performance Engine Bearing offering has been trusted by engine builders worldwide. With a strong pedigree in motorsport and a history of supplying OEMs in the automotive industry, ACL Race Series bearings are known for their robust metallurgy, precision engineering, and superior performance.

Whether you are rebuilding a race car, upgrading a high-performance engine, or simply in need of reliable bearings for your vehicle, the ACL Race Series Main Bearing Set in .25mm Oversize is the ideal choice. Trust ACL's decades of experience and commitment to quality to ensure that your engine runs smoothly and efficiently for years to come.