
Cylinder Head Assembly - Big Bore 50cc to 100cc for GY6 Scooter
Chinese Scooter Cylinder Head Assembly
Use with 100cc Big Bore Cylinder Kit
Details:
- Fully assembled head
- Ready to install
- Intake and exhaust valves
- Scooter head
- 50cc to 100cc Big Bore for GY6 139QMB engines
- 64mm valve length
- No instructions are included
Chinese Scooter Cylinder Head Assembly
Use with 100cc Big Bore Cylinder Kit
Details:
- Fully assembled head
- Ready to install
- Intake and exhaust valves
- Scooter head
- 50cc to 100cc Big Bore for GY6 139QMB engines
- 64mm valve length
- No instructions are included
Description
Chinese Scooter Cylinder Head Assembly
Use with 100cc Big Bore Cylinder Kit
Details:
- Fully assembled head
- Ready to install
- Intake and exhaust valves
- Scooter head
- 50cc to 100cc Big Bore for GY6 139QMB engines
- 64mm valve length
- No instructions are included






















