the larger the vent

Turbine: 68mm inducer | 62mm exducer | 84 trim

Kelford S58 Valve Spring Kit Applications:

Cloned (fully programmable) DME

sleeving becomes the only avenue to restore and enhance your engine's integrity

S55 CNC Cylinder Head Porting Factory the larger the vent5150 AutoSport 5 Axis CNC Cylinder Head Porting for BMW S55 Engines Please note that price is based on customer providing disassembled, clean 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