The big brother of the 50cc cylinder kit: the Airsal 70cc is a high torque sports cylinder with great low down power. Delivery includes: gasket set, piston, piston ring etc. Aluminium cylinder with hard chromed liner. The “70” is not a high end cylinder, but has great acceleration and is a great all-round sports cylinder at a great price. Can be used with original exhausts and a 17.5mm carb is recommended, but not necessary. Cylinder designed to take the original cylinder head, but we also offer an original from Motoforce. Suitable for all Hyosung SF50 Modelle, Rally, Prima and Hyosung engines with smooth exhaust flange.