I have the best 44mm big bore cylinder kit for all "cag" style engines. This kit will make your engine a true 49cc. This kit allows you to replace the entire top half of the engine. This kit is the best quality available. It will increase the power of your engine by 20-30 percent!

10mm Wrist Pin / 44mm Bore
2-Stroke Cylinder
Bore: 44mm
Exhaust Bolt Hole Spacing: 38mm
65mm Bolt Hole Spacing


These kits are brand new in the box!

Please contact me with any questions.