For Hisun 800 800cc ATV Quad UTV RS8 Piston Ring Pin Set and Cylinder End Kit Gasket 12150-010-0000 13120-010-0000 This kit includes a piston ring, wrist pin, cylinder end components, and gaskets designed for compatibility with the specified model.The parts are engineered to meet specifications for fit and function.The set provides the necessary components for rebuilding or replacing the engine's end.Each is constructed to support proper compression and engine performance.The kit is intended for use in maintenance or repair applications where standard wear items need replacement.