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.

Use VHM standard insert AE32274-F

Use VHM special insert:
AE32274-031 with base gasket DA31247 for deep sand tracks
AE32274-035 with base gasket DA31247 for hard grounds

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