Valve Assembly for 150cc GY6 4-stroke QMI152/157 and QMJ152/157 engines. Includes intake and exhaust valves, inner and outer springs, valve shims, valve seals, valve keepers, and valve retainers.

• Valve Length (intake & exhaust): 66mm
• Shaft Diameter (intake & exhaust): 5mm
• Intake Valve Diameter: 27.75mm
• Exhaust Valve Diameter: 23mm

GY6 QMI/QMJ 152/157