Racing Performance 6 Pins Cdi Box 50cc 100cc 125cc150cc Scooter Gy6 Engine @62511 It fits for most GY6 50-150cc Chinese Scooters(Mopeds), 50cc-150cc ATVs Dirt Bike Aluminium body  2+4 pin round plug  AC fired  Ignition indicator light This CDI will eliminate rev-limit which keeps your bike restricted and reset your ignition advance curve for better acceleration. It will give 5~10 miles speed boost on your bike and all you need is to plug it on. Please check the plug on your bike and make sure they fit before you buy.