cylinder kit Polini cast iron racing 75cc 47mm for Ape 50, Vespa PK 50, Special 50, XL 50

75cc cast iron racing cylinder kit for from Polini for 50cc Ape, Vespa PK, Special and XL Classic scooters. The cylinder has a 47mm bore and achieves an output of 8bhp at 8,700RPM according to manufacturer´s claims.