Hoca Replacement GY6 Cylinder Head Valves

Image result for HOCA LOGO 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