Cylinder and piston kit includes one cylinder, one piston, two rings, one wrist pin, and two clips for complete replacement or upgrade Designed for models BG86, BG86C, SH86C, and SR BR 200 to ensure proper fit and function Components made from materials suitable for operational demands Cylinder and piston combination helps improve engine efficiency and power output Straightforward assembly allows for quick installation, suitable for users with basic mechanical experience Cylinder diameter measures 34mm Package contains 1 set with 1 cylinder and related components Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.