There just ain't no replacement for displacement! Turn your GY6 into a 175cc screamer!Installation requires crankcase to be split and professionally machined. We offer send-in case machining servic...
This 155cc kit is the largest that can be used in the GY6 without machining of the cases. Perfect for rebuilding a worn out top end. Bolt-n-Go performance.See our other replacement and big bore kit...
This 150cc cylinder and piston rebuild kit fits most GY6-B models with the 57mm stud spacing. Bore diameter is 57mm.
Includes cylinder body [bore 57mm]
Cylinder body height: 69mm (not including ski...
