Ketofa CDI Box Unit For Chinese GY6 4 stroke 50cc 150cc Go-Karts Moped ATV Scooter CDI Unit CDI Box CDI Ignition Color: Black Condition: 100% Brand New Fits most makes and models of Chinese Scooters, ATVs, Go-Karts Mopeds with 125cc - 150cc 4-stroke GY6 QMJ/QMI157, QMJ/QMI152 engines. Capacitive Discharge Ignition 2 Connectors with a 2/4 split AC (not DC) Size:65 x 38mm Height (not including plug): 22mm