Piston POLINI mono-segment Ø40.2mm axle 10mm for kit 50cc POLINI EVOLUTION aluminum on minarelli vertical and horizontal

The complete spare piston d.40.2mm for kits 50cc POLINI on vertical minarelli (mbk booster, yamaha bw's ...), horizontal air or liquid (nitro, aerox, ovetto, jog ...).

This piston comes with its axis of 10mm, its chrome segment hard curved pre-ground and its clips. Very high quality as always on POLINI EVOLUTION.

Select the desired wear rating before purchase between 0, A, B, C or D.