47 mm Big Bore cylinder body, piston rings set
Fits most Chinese Scooters/Mopeds with CC, 60cc 4 – Stroke GY6/QMB139 engines.
Package Includes:
* Cylinder
X Gasket Sets
X Piston: 47 mm
* in wrist pin
Complete ring set.
It works with stock need metal parts, no other parts.