Description
Compatible with 64mm Short Valve Style Heads.
Intake Valve Diameter- 23mm (Stock is 18.5mm)
Exhaust Valve Diameter-20mm (Stock is 16mm)
Combustion Chamber Diameter-52mm
This is a Non EGR Head, Does Not Have the EGR Port
Please note this kit is only used for GY6 139QMB 4-Stroke Engine.
Inner Diameter of Cylinder: 52mm
Outer Diameter of Piston Pin: 13mm
Include Cylinder,Piston,Piston Ring,Piston Pin,Piston Pin Clip,Valve Oil Seal,Gaskets,Tensioner Gasket,Exhaust Gasket,Intake&Exhaust Studs,Exhaust Nut
High Performance Upgrade 52mm Cylinder Rebuild Kit for GY6 49cc 50cc 60cc 80cc 100cc 105cc engine
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