The VHM cylinder head is a 2 part design.
This page is for the gold outer cover only.
Please click the link below to choose the combustion chamber to suit your RS125 Aprila 122/123 engine
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VHM piston height measuring tool 50 -300cc
VHM piston height measuring tool 50 -300cc. Dial gauge available separately.
VHM Combustion chamber - Aprilia RS125 1995-2010 122/123 engine
VHM COMBUSTION CHAMBER - APRILIA RS125 123 & 122 ENGINE
VHM Cylinder head Aprilia RS250 & Suzuki RGV250 1991-1996 ( 2 covers)
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.