**94mm Pistons include skirt coating to ensure compatibility with the Alusil Factory Bores

DT40 utilizes advanced synthetic base oils to provide high temperature and high shear protection for turbocharged

Driveshaft is 3″ x

HVL will not harden or cause parts to become "sticky

BMW M50 M52 S50 S52 Pro-Series Turbo Build Kit Kit:Level 2 **94mm Pistons include skirt coatingThe 5150 AutoSport Pro Series Turbo Build Kit: An all inclusive arsenal of internals custom assembled to prepare your BMW M50 M52 S50 S52 engine for high horsepower, turbocharged performance. A Kit for Every Build and Budget There is no one size fits all, which is why we offer several stages of upgrade. Through careful selection and pairing of components, we are able to offer customers a variety of kit options, catering to each build and budget.