The world famous golden VHM head with exchangeable combustion chamber is specially developed for optimal power output during the whole race and has an improved water duct. It's manufactured from a high quality alloy and O-rings are used for the sealing.
Use VHM standard insert:
AE32152-E (MX250)
AE32153-E (MX300)
- More engine power
- Better heat transference
- More resistance to detonation
- Exchangeable combustion chambers available