piston kit Polini 46.4mm 12mm piston pins for Piaggio, Vespa Ciao 204.0394

Polini oversize piston with 46.4mm for the Polini 70cc cast iron cylinder kit for Vespa Ciao mopeds with 12mm gudgeon pins. The kit includes the gudgeon pin, 2 piston clips and 2 piston rings.