The cylinder heads house the inlet and exhaust ports, valvetrain and spark plugs. There are 2 cylinder heads in an aircooled VW engine and this is where combustion is initiated.
Upgraded cylinder heads will include one or more of the following:
It is important to set the compression ratio correctly in accordance with the rest of the engine design. Unfortunately we see engines where the compression ratio has been incorrectly set. This has resulted in detonation, poor drivability, excessive engine heat and a short engine lifespan.
With over 35 years of experience with performance VW engines, we know the perfect combinations that will give your VW the power you desire, whilst maintaining great drivability an engine longevity. It is this experience that allows us to confidently put long warranties on our engines.