MX | ROADRACE | KARTING | MOPED
Tune your engine with our VHM upgrade kit parts! Our VHM 12 degree piston kit, manufactured from high grade aluminium, keeps it's high 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. These tuning parts on your engine are further optimized by using our VHM ignition map from our CDI unit.
This upgrade kit contains our 12 degree VHM piston, which can only be used in combination with our special insert for 12° piston.
Dyno test KTM 125SX 2019 with VHM 12 degree piston kit, cylinder head and insert
Upgrade parts explained