Pinasco 177cc Cylinder Kit (2 port); Vintage Vespa bbk The larger-than-stock 19mm venturi improves

The larger-than-stock 19mm venturi improves airflow and fuel atomization

Vespa ET4 150 (2001–2005)

and consistent voltage to all accessories — plug-and-play with a standard 4-pin (2x2) connector

ensuring stability and safety for modified 50cc scooters or 125cc+ builds

Pinasco 177cc Cylinder Kit (2 port); Vintage Vespa bbk The larger-than-stock 19mm venturi improvesPinasco cast iron 177cc performance cylinder kit for 2 port vintage largeframe Vespa VNB, VBB, GL, Early Sprint Super GT scooters. Don't screw around with cutting extra ports or custom base gaskets! Bolt this on to your VNB, VBB, GL, Early Sprint Super GT and unleash the power! This is the ONLY kit on the market for 2 port largeframe Vespa scooters! Great in combination with a 20 20 (20 20 Injected) or 24 24 carb and a sport pipe! NOTE: This