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 6 copper washers and 6 nutcaps (in the past there were 4 nutcaps and washers included, but we've changed this to 6 since 06-04-18).
Use VHM standard insert AE32106-C
Inserts must be ordered seperately, see complementary parts