2L stroker kits offers varying displacements

Designed for off-road and motorsport applications

All RA-series fuel cells are serialized and come with both certifications and associated paperwork

Attach the cam sprockets to the sprocket hubs using the supplied M6 x 14 mm screws

5-Angle CNC Exhaust Valve Job

M30 CNC Cylinder Head Porting 4G64 2L stroker kits offers varying5150 AutoSport 5 Axis CNC Cylinder Head Porting for BMW M30 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