Replacement GY6 Valve Set for the 58.5mm, 61mm and 63mm Hoca Cylinder Heads used on 150cc and 125cc GY6 4-stroke engines and engine based vehicles.

• Intake Valve Diameter: 28mm
• Exhaust Valve Diameter: 23mm
• Intake Valve Overall Length: 66mm
• Exhaust Valve Overall Length: 65.5mm
• Stem Diameter: 5mm

GY6 QMI/QMJ 152/157