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.

Use VHM standard insert:
AE32058-E (2000 - 2002, Flat top piston)
AE32070-F (2003, Flat top piston)
AE32070-K (2004, Dome piston)

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