making the car feel more athletic and provides smoother power transfer

and they have proven to be a top performer in both street and racing BMW M20 engines

These Calico-coated bearings feature advanced anti-friction technology

the front main seal helps maintain proper oil pressure within the engine

Inner Spring ID: 14

N63 Cylinder Head Service by 5150 AutoSport Service:Pro-Xtreme making the car feel more5150 AutoSport Performance Cylinder Head Services for BMW N63 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