NCY Performance Cylinder Head

The NCY Big Valve Cylinder Head allows the cylinder in your Genuine or GY6 scooter engine breathe better! 

Specifications:

• Intake valve size: 27.5
• Exhaust valve size: 23.5
• Fits Genuine 150cc or GY6 scooter engines 

Compatibility:

This part is compatible with engines with the following engine codes:

Don't see your engine listed? If the engine code includes "QM" or "FM" this part is compatible with your vehicle.