The 5150 AutoSport Complete Engine Build Kit features every component you need to fortify your BMW N55 internally and prepare your engine for high power

-Seamless Polymer Bladder-Explosion Suppressing Anti-Slosh Foam-Powder Coated Aluminum Enclosure-Anodized Aluminum Nut Ring-Removable Inspection Plate-FKM 6x10 24-bolt Gaskets

The exclusive KW patented system has dual level valves that allow for adjustment of the rebound dampening for your road comfort and the compression dampening that controls the driving dynamics

not the shock absorber

BMW 5-Axis CNC Cylinder Head Porting Engine Layout:V12 The 5150 AutoSport Complete Engine5150 AutoSport 5 Axis CNC Cylinder Head Porting for BMW Engines Please note that price is based on customer providing core. If you need help sourcing a core, please contact our sales team. Also note that this service includes a 1 2 week turnaround time for service completion, beginning when the 5150 Team receives your head. Investing in cylinder head porting for your high performance BMW engine enhances airflow efficiency for improved engine power,