Vertical loops should be added to act as a "make-shift" expansion chamber

Upgrading to this Ferrea kit ensures reliable valve control

5V TESTING

blow off valves

Durable and Heat Resistant: Built to withstand the extreme conditions of high-performance environments

M10 Cylinder Head Service by 5150 AutoSport Service:Stage 2 Vertical loops should be added5150 AutoSport Performance Cylinder Head Services for BMW M10 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