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:
AE32367-E (2025 - sparkplug M10x1)
AE32367-N (2026 - sparkplug M14x1.25)
- More engine power
- Better heat transference
- More resistance to detonation
