PINASCO Cast Iron 177 Racing Cylinder Kit PX, Cosa, LML, Sprint, GTRPINASCO Cast Iron 177 Racing Cylinder Kit PX, Cosa, LML, Sprint, GTR Pinasco were one of the first companies to come up with a 177 Kits for the Vespa P Range Motors! With their igneous design and simplicity, this kit requires no major technical knowledge to be assembled and easily adapts to all Vespa from 125 to 150 models. cast iron 5 ports 63,0mm stroke 57mm 2 piston ring(s) Comparison No. 25030805 (PINASCO)