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. 1x O-ring is included, as well as 6 copper washers and 6 nutcaps.

Use VHM standard insert AE32060-K

• More engine power
• Better heat transference
• More resistance to detonation