BEST GY6 50CC 100CC CYLINDER BIG BORE KIT BBK 50MM ID 1P39QMB 139QMB 64MM VALVES
Fits for GY6 Scooter Moped 139QMB 1P39QMB 50mm Big Bore Cylinder Piston Kit
Features:
⭐100% brand new and high quality,Durable.
⭐It could correctly replace the original quality part.
⭐This Performance Racing Parts kit can make full use of your 48cc, scooters.
Specification:
- Material: Metal
- Head: 64mm valves
- Cylinder Size: 50mm ID
- Intake Valve Diameter: 18mm
- Exhaust Valve Diameter: 16mm
- Performance Racing CDI (AC Fired): 70mmx30mmx37mm
- Performance Racing Coil length: 360mm
Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm)
Please Compare The Scooter Kit With Your Original One Before Purchasing!
Fits (For the reference):
✅For 139QMB & 1P39QMB /GY6 4 Stroke Chinese Scooters
NOTE:
Installation Manual Is NOT Included
Professional Installation Is Highly Recommended
Package includes:
- 50mm Big Bore Cylinder Kit With Assembled Head,
- Performance Racing CDI (AC Fired),
- Performance Racing Coil
- Rollers
- Rocker Arms
- Oil Pump & Drive Gear
- Intake & Exhaust Studs & Complete Gasket Set