72.5MM 350CC BIG BORE Cylinder Piston Kit for CG250 CG 250 Upgrade to CG350

  
72.5mm Bore Cylinder Kits for CG250 Upgrade to CG350 350cc. The CG250 Upgrade to CG350 Cylinder bore 72.5mm. The Piston Pin diameter is 16mm. The instruction is not Included.

Professional installation is Highly Recommended. Please review all pictures to assess the condition of the item, and the item is what you need before purchasing. There may be a slight error in the size, hope you don' t mind, thanks. The colors deviation might differ due to different monitor settings, please kindly understand.