* INTAKE OAL = 69MM
* INTAKE DIA = 18.5MM
* INTAKE SHAFT = 5MM

* ExHAUST OAL = 69MM
* ExHAUST DIA = 16MM
* ExHAUST SHAFT = 5MM

69mm valves springs clips kit for 50cc 4-stroke QMB139. Includes intake and exhaust valves, inner and outer springs, valve washers, valve seals, valve keepers, and valve retainers. Valve Length (intake & exhaust): 69mm Shaft Diameter (intake & exhaust): 5mm Intake Valve Diameter: 18.5mm Exhaust Valve Diameter: 16mm QMB139 50cc/49cc