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:
AE32353-D
AE32353-011 For 12° piston with OEM cylinder base gasket (0.70mm)
AE32353-021 For 12° piston and raise cylinder 0.20mm (base gasket 0.90mm)

• More engine power
• Better heat transference
• More resistance to detonation
• Exchangeable combustion chambers available

Inserts must be ordered separately, see complementary parts below.