B58 Main Bearing Set, High-Performance

5150 AutoSport High-Performance Calico Coated Main Bearings are designed specifically for BMW and Toyota B58 engines. These bearings are coated by Calico to significantly reduce friction, making them ideal for high-stress, high-performance builds. Their advanced coating helps maintain durability and performance under extreme conditions, such as forced induction and racing applications where OEM bearings often fall short. What sets these bearings apart is their thermal resistance and ability to minimize the risk of catastrophic engine failure in the event of oil pressure loss. This feature ensures reliable performance even in the most demanding environments. Proven on the track and in high-horsepower builds, 5150 Calico Coated Rod Bearings consistently outperform standard bearings, offering enhanced durability and protection for your engine. Tech Notes:  As with all bearings, please check your tolerances and size before installation. Due to the specialized tools needed, professional in