M156 Ported Heads | YPG Motorsport Passat and run cooler under sustained

and run cooler under sustained wide-open throttle

optimised blade geometry for higher mass airflow

e-wastegates

Stage 2: ~500+ HP / 500+ lb-ft

M156 Ported Heads | YPG Motorsport Passat and run cooler under sustained5 Axis CNC Ported Intake & Exhaust Ports Five Angle Valve Job New OEM Valve Seals No core Exchange needed. The M156 Ported Heads can significantly improve engine performance in several ways: 1. Increased Airflow: The porting process involves reshaping and smoothing the intake and exhaust ports in the cylinder heads. This allows for improved airflow into and out of the combustion chamber, resulting in better combustion efficiency and increased power