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 5 copper washers and 5 nutcaps. Vent screw (M6x6) and small copper washer (BD36006) are included and mounted on the head.

Use VHM standard insert AE32240-E

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