piston kit Polini 43.4mm 10mm piston pins for Piaggio Si, CBA, Eco, Bravo, Ciao 204.0264

Polini oversize piston with 43.4mm for the Polini 63cc cast iron cylinder kit for 50cc Piaggio / Vespa mopeds with 10mm gudgeon pin. The kit includes the gudgeon pin, 2 piston clips and 2 piston rings.