60mm Cylinder Barrel Piston Gaskets Kit For YX160 Pitbike Dirtbike Stomp 160cc60mm Cylinder Piston Gasket Top End Rebuild Kit For Pit Bike Dirt Bike YX160 Z155 Engine Features: If your cylinder blows through, the compression is too low, or even a piston seizure has occurred, then this kit is exactly the right thing for you. Kit includes cylinder, piston(2 valve), rings, pin, clips & top end gasket kit (you get exactly what is pictured). The cylinder is made of aluminum for good cooling with an internal cast iron jacket (unlike