Hoca Replacement GY6 Cylinder Head Valves, Part #169-357

Hoca 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.