SSP-G Piston Kit for the 50cc QMB139 4-stroke 52mm, Racing Big Bore Cylinder Set.
- Piston Outer Diameter: 52mm
- Total Piston Height: 34mm
- Compression Height: 17.3mm
- Wrist Pin Diameter: 13mm
- Wrist Pin Length: 37.9mm
- Includes piston, pin, rings and circlips