The core on Mishimoto's new design has also grown

Engineered with computer-aided design

high-performance builds

critical engine components remain properly lubricated

these Pro-Series fasteners feature a thicker shank and require more stretch to achieve optimal clamp load

N53 Cylinder Head Service by 5150 AutoSport 7376 The core on Mishimoto's new5150 AutoSport Performance Cylinder Head Services for BMW N53 Engines Please note that price is based on customer providing core. If you need help sourcing a core, please contact our sales team. Investing in a performance cylinder head service is crucial for optimizing engine potential in performance builds. We offer three levels of service to meet your budget and build goals, from OEM refresh to full race level machining: Stage 1 OEM Refresh (Rebuild