N55 Cylinder Head Service by 5150 AutoSport Service:Stage 1 Hand-built and precision blueprinted for

Hand-built and precision blueprinted for accurate cut-off port travel

your BMW will experience improved power delivery without sacrificing dependability

8 oz bottle

All of our stroker kits come standard with skirt-coated pistons

By choosing 5150

N55 Cylinder Head Service by 5150 AutoSport Service:Stage 1 Hand-built and precision blueprinted for5150 AutoSport Performance Cylinder Head Services for BMW N55 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