This ARP oversized 11mm head stud kit is designed to replace the 10mm head studs in M50/M52/S50/S52 engines for those who want to push the limits of their high horsepower turbo engines

With faster communication and single-precision floating point fuel tables

With the ability to reach 9500 RPM

- Fully balanced

E-Flash allows the end user to upload the supercharger ECU software from any PC running Windows 7 or newer

5150 AutoSport High Performance Main Bearing Set, BMW M50 M52 S50 S52 127-4000 This ARP oversized 11mm head5150 AutoSport's High Performance Main Bearing Sets for BMW M50, M52, S50, and S52 engines are engineered to withstand extreme performance conditions. Featuring Calico coated surfaces, these bearings reduce friction, enabling your engine to generate more power and resist the risk of bearing spin under high stress. The advanced thermal resistant properties make them ideal for forced induction setups and racing applications, ensuring reliability even