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.
This cylinder head is specially developed for the OEM factory 105 cylinder kit (47649905044).
With VHM crankshaft AK20227 / AK20227R3 with a larger stroke of 52.70 mm, the displacement change from 105cc to 112cc.
Use VHM standard insert:
AE32341-C (for Vertex 112SX piston 23879A)
Note: Modification of the piston skirt is needed to use with VHM stroker crankshaft AK20227 / AK20227R3, see picture.
Use the insert chart as a general guideline to select the insert depending on the fuel, track and elevation.
- More engine power
- Better heat transference
- More resistance to detonation
- Exchangeable combustion chambers available
