Bi-piston segment POLINI Ø50 or 50.4 mm for kit 80cc cast iron on DERBI euro 1 & 2

Piston POLINI high quality, manufactured in ASSO for Polini Motori, chrome bi segment model curved, only 80cc Polini kit cast iron DERBI euro 1 & 2. The piston comes with its piston clips, reinforced its axis Ø12mm and 2 segments hard chrome domed.

2 sizes: Ø50mm for original and repair kits coast Ø50,4mm for rebored kits after tightening or otherwise.