Works wih any E50 engines found on various Puch engine mopeds like the maxi, newport, magnum, swinger, pinto, freespirit and many others. Magnum ZA50 engines will need to use a Maxi flat flange style exhaust.
Giant transfers with 7 ports will give you a mega boost over stock. Light weight aluminum with nicasil plating for long lasting useage and reliability. Low drag, single ringperformance piston. Comes with everything shown.