Cylinder Kit AC Polini Sport 50cc 10mm Minarelli Horizontal

For those who rang at all costs stay in 50cc , while having a slight increase in performance compared to the original cylinder. This cylinder is made of cast iron, contains 5 transfers and a two-ring piston of 40mm of diameter on axis 10mm .

For those who are determined to stay in 50cc at all costs, while having a slight increase in performance compared to the original cylinder. This cylinder is made of cast iron, contains 5 transfers and a two-segment piston of 40mm in diameter with a 10mm axis.