Fitments: 1,GY6 125cc 150cc 250cc Moped Scooter ATV Go Kart 2,Most of Chinese brands scooter, 152QMI 157QMJ engine 3,MANY DC FIRED GY6 Engine NYCSP0007 150- 250CC SCOOTERS, ATV, DIRT BIKES, MOPEDS, GO KARTS, 4 WHEELER .... Package include: 1 * DC cdi 1 * spark plug This CDI Eliminates Rev-limit that Keeps your Bike Restricted and Reset the Ignition, Advance Curve for Better Acceleration Note: One Wire at the CDI Plug need DC CDI. At the Stator Plug ,only Have One Bullet Connector also Need DC CDI. DC-CDI Module is Powered by the Battery, is an Additional DC/ DC Inverter Circuit is Included in the CDI Module