cylinder kit Polini cast iron sport 63cc 12mm piston pin headless for Piaggio Boxer, Bravo, CBA, Ciao, Eco, Grillo, Si 140.0065/

63cc cast iron sport cylinder kit without cylinder head with 12 mm gudgeon pin 50cc Piaggio / Vespa Boxer, Bravo, CBA, Ciao, Eco, Grillo and SI mopeds. The cylinder has a 43mm bore and achieves an output of 4.5bhp at 8,400RPM according to manufacturer´s claims.