Kit Includes: ARP2000 bolts

421 (driver side)996

This DLC coating service is a cost-effective way to preserve the integrity of your S54 valvetrain and enhance long-term engine performance

even on engines with nitrous and/or turbo applications that exceed 2 bar boost

Higher roll center (RC)

M52TU Cylinder Head Service by 5150 AutoSport Service:Stage 2 Kit Includes: ARP2000 bolts5150 AutoSport Performance Cylinder Head Services for BMW M52TU 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