57mm Motorcycle Air Cylinder Block & Piston Kit & Gasket Kit For GZ125 GZ 125 The 57mm motorcycle air cylinder block and piston kit is designed for use with the GZ125.Constructed from aluminium , the kit features a lightweight design aimed at supporting engine efficiency.It includes the air cylinder block, piston, and gasket kit for a complete assembly.Components are engineered to match the specifications of the GZ125, allowing for straightforward installation.This kit meets ISO9001 standards through external testing, reflecting consistency in manufacturing processes.The materials are built to endure operational temperatures, including heat generated during extended use.Suitable for engine rebuilds, the set provides all core parts needed for cylinder replacement.It is compatible with the GZ125 model, offering a direct fit for both professional and DIY applications.Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.