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.

• More engine power

• Better heat transference

• More resistance to detonation

• Exchangeable combustion chambers available

 gold or blue cover with insert, please click the link below to order the colour you want to order,