The ACL Race Series Main Bearing Set in .25 Oversize is a high-performance crankshaft bearing set designed for maximum durability and precision in your engine. This product is perfect for those seeking to enhance the performance of their engine and take it to the next level.

Made from ACL's renowned Race Series Tri-Metal material, this main bearing set is built to withstand high RPMs, heavy loads, and extreme conditions. The precision engineering and robust metallurgy ensure that your engine runs smoothly and efficiently, even under the most demanding circumstances.

This main bearing set includes bearings for positions 1, 2, and 4 with standard shaft diameters of 2.6768"/2.6775" (67.992mm/68.008mm) and maximum wall thickness of 0.0954" (2.422mm). The housing bore size is 2.8687"/2.8694" (72.866mm/72.882mm) with a maximum length of 0.7780" (19.750mm) for positions 1, 2, and 4. For position 3, the upper bearing has a maximum length of 0.9560" (24.290mm) and the lower bearing has a maximum length of 0.7780" (19.750mm).

The .25mm Oversize design allows for a perfect fit and optimal performance in high-performance engines. Whether you're racing on the track or pushing the limits on the street, these bearings will provide the reliability and durability you need to succeed.

With over 70 years of experience in manufacturing precision engine bearings, ACL Race Series has built a global reputation for quality, innovation, and performance. Their bearings have been used in top motorsports events around the world, making them the go-to choice for engine builders looking for the best in performance and reliability.

Trust ACL Race Series Main Bearing Set in .25 Oversize to deliver the high-performance results you need for your engine. Upgrade your crankshaft bearings with the best in the industry and experience the difference in performance and durability.