39mm GY6 50cc Engine Cylinder Head Gasket Piston Rebuild Kit 139QMB Scooter Mope
This is a brand new cylinder kit
Fit Models:
- Most 50cc GY6 Chinese scooters and mopeds
- Fit for 139QMB engines
Components:
- Cylinder
- Complete piston kit with rings, wrist pin & circlips
- Free head gasket set, and intake gasket
Please check the picture before you buy.
On Sep 25, 2025 at 15:04:42 PDT, seller added the following information: