Motorcycle Accessories DT230 MT250 Engine Cylinder Kit Forged Upgrade Piston Ring Pin Sealing Gasket For HJ250H This engine cylinder kit is designed for use with HJ250H models and compatible variants.It includes a forged piston, cylinder, piston ring, wrist pin, and sealing gaskets.The components are engineered to replace worn or damaged parts and restore engine performance.The kit supports standard displacement configurations and is suitable for routine maintenance or mechanical.Installation requires basic mechanical tools and knowledge of two-stroke engine systems. Disclaimer of Affiliation: This is an aftermarket component.Brand and model mentions are for illustrative compatibility only.