BMW N63 S63 High Performance Main Bearing Set ZZII Endures up to 8500 RPM

Endures up to 8500 RPM

slower acceleration

Fadi Boustani E46 M3 with S52 Turbo 1000WHP

these rods will meet and exceed expectations

BMW N63 S63 High Performance Main Bearing Set ZZII Endures up to 8500 RPM5150 High Performance Main Bearings for BMW N63 and S63 V8 engines are engineered to meet the rigorous demands of high horsepower builds. These bearings feature Calico's advanced coating technology, which reduces friction, increases durability, and helps the engine generate more power by minimizing wear. Unlike OEM bearings, 5150's bearings are designed to resist "spinning" under extreme stress, making them ideal for forced induction and racing