Piaggio 300cc 4-Stroke cylinder head V4 Malossi discharge valves kit

4-stroke valves from Malossi, adaptable to Piaggio 125, 180 and 200cc engines.
By installing these valves, the torque of the scooter is increased, which improves throttle response.
We recommend combining the valves with a camshaft (Reference: M5911962).
exhaust valves, without springs, for V4 cylinder head (M3813273)!