POLINI Racing Vespa Cast Iron 210cc Cylinder KitPOLINI Racing Vespa Cast Iron 210cc Cylinder Kit POLINI's cast iron 210cc cylinder kit is the ideal choice for Vespa riders who need power and torque for touring with heavy luggage. Featuring increased performance, increased torque, and superior durability, this is a great choice for experienced riders. For the use with the PX200 Engine. cast iron 7 ports 68,5mm stroke 57mm conrod 110,0mm 2 piston ring(s) with cylinder head Mereor piston Comparison