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
Inserts must be ordered seperately, see complementary parts