1998-2001 Yamaha Grizzly 600 ATV's Cylinder Jug Piston Top End Gaskets Repair Kit XT600 TT600 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 needed for a complete top end rebuild: cylinder, domed piston, rings, pin, clips, and top end gasket kit (exactly as pictured). The piston is anodized for superior heat resistance and an extended lifespan. High performance gaskets increase durability and provide greater reliability.