MX | ROADRACE | KARTING | MOPED
Tune your engine with our VHM upgrade kit parts! Our VHM 12° piston kit, manufactured from high grade aluminium, will give minimal loss of performance during lifetime. The VHM middle inertia crankshaft with modified balance and inertia ensures less vibration and smooths the power delivery to the rear wheel.
This upgrade kit contains our 12° VHM piston, which can only be used in combination with our special insert for 12° piston.