piston kit Polini 70cc 12mm piston pin (D) for Minarelli vertical 204.0773/D

Polini D piston with 12mm gudgeon pin for the 70cc aluminium Racing Evolution cylinder kit from Polini for scooters with air-cooled Minarelli upright engines. The kit includes the gudgeon pin, 2 piston clips and 2 piston rings.