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 VHM standard insert AE32260-E

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