piston kit Polini 171cc 61mm (A) for Piaggio, Vespa 125-150cc 3V 4T AC 204.0955/A

Polini A piston for the 171ccm aluminium cylinder kit for large scooters with 125-150cc Piaggio 3V 4-stroke engines. Piston kit includes the gudgeon pin, 2 piston clips and a piston ring including oil scraper ring.