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
