Upgrade your BMW's engine performance with the King Engine Bearings MB798AM Main Bearing Set. Designed for the BMW M20B20-23-25-27, M50B25, and M52B20-25-28 engines, this main bearing set is engineered to provide superior durability and reliability. Made with a bimetal aluminum base, these bearings are built to withstand the rigors of high-performance driving while ensuring optimal oil flow. The 360-degree oil groove design enhances lubrication, reducing friction and wear. This main bearing set is the ideal choice for those looking to maintain or restore their BMW's engine to peak condition. Whether you're a professional mechanic or a DIY enthusiast, the King Engine Bearings MB798AM set will help you achieve the performance you desire. <b>Features:</b> * Designed for BMW M20B20-23-25-27, M50B25, M52B20-25-28 engines * Bimetal aluminum base for enhanced durability * 360-degree oil groove for optimal lubrication