Seller notes

VHM cylinder head + insert kit for the Yamaha YZ250. 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 the insert uses an o-ring for sealing (that o-ring is included). This kit includes the insert. Details: more engine powerbetter heat transfer more resistance to detonationexchangeable combustion chambers are available.You will ...

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