<p>Upgrade that slow and old 43cc engine to a new and larger capacity 49cc engine.&nbsp;New easy start pull starter, 3rd bearing support which helps reduce the vibration on the chain and the front sprocket.&nbsp;Suitable for 49CC two-stroke mini car, small four-wheel, etc using 25H chain, new air filter, 40 cylinder.&nbsp;The colors deviation might differ due to different monitor settings, please kindly understand.&nbsp;Air filter + pull starter + carburettor + spark plug + intake manifold + clutch and clutch housing + 6 tooth sprocket (for T8F chain)+engine head and piston set + wires for kill switch + 3rd bearing support etc.&nbsp;The colors deviation might differ due to different monitor settings, please kindly understand.&nbsp;Please tell us first when you have any problem, we will give you the best service and solve the problem&nbsp;</p>