VHM Cylinder head Yamaha YZ65

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 insert AE32285-

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

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