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. Vent screw (M6x8) and small copper washer (BD36006) are included and mounted on the head.
Use insert AE32257-
- More engine power
- Better heat transference
- More resistance to detonation
- Exchangeable combustion chambers available