De Vlonder 208
5427 DH Boekel
Tel. +31(0) 492 32 45 95
VHM cylinder heads with exchangeable combustion chamber.
VHM produces exchangeable cylinder heads for two-stroke engines in motocross and road racing. With the experience gained in two-stroke tuning, VHM develops products of high quality.
The combustion chamber is very easy to change, just untighten the cylinder head, take it off and you can change the combustion chamber. This makes it very easy to adjust the combustion ratio to different tracks and fuels that are used. Combustion chambers are available in different volumes.
During intensive tests, on the racetrack as on the VHM testbench, the cylinder head showed a better temperature development in the cylinder head. A lower engine temperature followed. The explanation of this phenomenon is the use of a special aluminum alloy which has a very good heat transference. Another advantage of the material is its resistance to detonation. It's also possible to design your own combustion chamber, just take a blind combustion chamber and you can make any type that you want.
Or you can give us the technical information needed and we produce the insert for you. For more information about custom made inserts click here.
All the present available cylinder heads can be found with partnumber and pictures by brand on this website.
Each cylinder head (partnumber starting with AA33...) comes without the insert. The insert (part number starting with AE32....) has to be ordered seperately, due to the various options.
Below you will find all cylinder heads we offer. Click on the type for more information and pictures of the cylinder head.
VHM upgrade kit parts
Need better throttle response, more torque and power? VHM upgrade parts for your winning bike, tested and used by many top MX riders! The VHM 12° billet piston kit must be used with the specific VHM insert mentioned in the chart.
|VHM upgrade kit parts|
|Bike||Cylinder head||Insert||Piston kit||Picture|
|VHM billet pistons are designed for a specific piston to cylinder clearance. The minimum clearance must be at least 0.05 mm. Contact us for more information.|
|KTM 65SX '09->||AA33112||AE32167-059||APKT06521722|
|KTM 85SX '13->, Husqvarna TC85 '14->||AA33145||AE32226-056||APKT08521707|
|KTM 125SX '07-15, Husqvarna TC125 '14-15||AA33097||AE32128-048||APKT12511673|
|KTM 125SX '16->, Husqvarna TC125 '16->||AA33156||AE32257-026||APKT12511673|