180cc aftermarket cylinder for Vespa 125 and 150 largeframes. This kit provides greta torque as well as more overall top speed. For more extreme power try fitting a 24/24 carb, race cut crank, and a sito plus pipe. Fits all 3-port (all P125, P150, Sprint V, some late super and late sprint) and can be made to work with modification on some 2-port engines. All performance products require jetting changes to make safe, long lasting performance.
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