1x Cylinder Base Gasket kit. Kit includes piston, rings, pin, clips, spark plug & top end gasket kit (you get exactly what is pictured). Cast piston has super-high silicone content for additional strength.Piston skirts are Molybdenium Teflon coated to minimize resistance/wear and provide extended life. Piston dome is anodized for superior heat resistance and longer lifespan. The gaskets use performance materials to increase durability and provide greater reliability. Includes all gaskets pictured to rebuild top end. All of the components within this kit are bolt-on ready for a hassle free installation.