66.5cc Aluminium hard coated bore cylinder kit from Airsal.
Unlike cast iron cylinders, the aluminium cylinder offers much better heat dissipation making these kits less susceptible to wear or piston failure.
Airsal sports kits improves power early on and has very good torque curve.
Supplied as per image with barrel, piston, ring, pin, clips and required gasket. Original head can be used.
Up-rated carb or original carb up jetted is required