cylinder kit Polini cast iron racing 130cc 57mm for Vespa 125 ETS, PK, Primavera 2T, Primavera ET3 2T, XL

130cc cast iron Racing cylinder kit for 125cc Vespa ETS, PK, Primavera 2-stroke, Primavera ET3 2-stroke and XL maxi-scooters. This racing cylinder achieves a max rpm of 8,100 with an power output of 12.6bhp. Special cylinder head with improved cooling function. Bore: 57 mm (51 mm shaft = 130cc/ 54mm/shaft 138cc). Spark plug: Long threaded B9ES