Cylinder Kit 57mm for 150cc Engine Version B Piston Height: 36mm (1

Piston Height:  36mm (1

This kit fits 70cc and 90cc models

Roller width: 36mm (1

This stator fits GY6 125cc and 150cc models

Cylinder Kit 57mm for 150cc Engine Version B Piston Height: 36mm (1Chinese 57mm Cylinder Kit Version B. This Chinese 57mm cylinder kit is the replacement part for many 4 stroke Chinese atvs, dirt bikes, go karts and scooters. Cylinder kits ship complete with cylinder, 57mm piston, piston rings, piston pin, piston clips, and top end gasket set. This kit fits 150cc models. There are 2 versions of the GY6 150cc engine. This kit is for version B engine. PLEASE check measurements and specs BEFORE you order. Gaskets and