250cc Cylinder Kit For Vento Tornado 250 Rocketman 250 Crossmax 250- 65.5mm Piston pin 13mm GenericProduct Overview: If your cylinder is blown, compression is too low, or piston seizure has occurred, this kit is the ideal solution for you. The kit includes everything you need for a complete top end rebuild: cylinder, piston, rings, pin, clips, and top end gasket kit (exactly as pictured). The piston is anodized for superior heat resistance and an extended lifespan. Performance grade gaskets are used to increase durability and provide greater