Glixal GY6 80cc 47mm Scooter Rebuild Kit Big Bore Cameroon

Big Bore Kit Includes: Cylinder Head Assy with 69mm Valves (Already Installed) 80cc 47mm Cylinder Block 80cc 47mm Piston Set (Piston,Piston Rings,Piston Pin,Piston Pin Clips) Valve Oil Seals Gasket Set (Head and Base Gaskets ,Tensioner Gasket ,Exhaust Gasket) Studs Set (Intake Studs, Exhaust Studs,Exhaust Nut ) You will also get an extra BACKUP Kit include the gasket set and stud set. Outer Diameter of Piston Pin: 13mm This a Non EGR Cylinder Head, Does Not Have the EGR Port High Performance Upgrade 47mm Rebuild Kit for 139QMB 139QMA Engine