B58 Main Bearing Set, High-Performance Z4 E89 Please check your tolerances and

Please check your tolerances and size before installation

MADE IN USA

not a side face)

and enhanced reliability for engines pushing their limits

B58 Main Bearing Set, High-Performance Z4 E89 Please check your tolerances and5150 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