end cylinder piston seal kit with 70mm bore, designed for use with XT225, TTR225, and TTR230 engines.This complete end kit includes a cylinder, piston set, piston rings, head gasket set, base gasket set, wrist pin, and spark plug.The metal piston and natural components are paired with piston rings to enhance sealing performance, reduce heat loss, and improve engine.The 70mm cylinder bore supports power output and efficiency.Engineered for straightforward installation, the kit provides all necessary components for engine rebuilding, proper fit and compatibility with specified models.metal construction helps resist wear, supporting long-term engine performance. This is not an OEM product.Brand/model references are included solely to assist with compatibility identification.