Specifications: 100% brand new and high-quality ignition coil CDI box spark plug. For GY6 50cc - 90cc, 110cc, 125cc, 150cc 4-stroke engines. For most motorcycle, atv, quad, scooter, go kart, moped, pit bike, dirt bike, racing bike and other bikes. It also fits XR50 CRF50 50cc 110cc 125cc Pit Dirt Bikes. Fit most Chinese import Pit / Dirt bikes, almost all of the bike brands from China, such as TaoTao, Buyang, Coolsport, Jonway, Znen, NST, BMX, Kazuma, Sunl, Roketa, AIM-EX etc. Package includes: 1 x ignition coil. 1 x CDI box. 1 x spark plug. Ignition coil feature: Wire Length: 16inch / 40cm. Overall Length: 19inch / 50cm. Fits: GY6 50cc-150cc Scooters, ATVs, Go Karts, Mopeds, Quads and other Bikes. Fits models: GY6 QMJ/QMI157, QMJ/QMI152 4-stroke engines. This coil can improve combustion efficiency, strengthen electrical performance. CDI box feature: Material: aluminum. Connector: AC, 5 Pins male plug. Wire plug length: 135mm. CDI dimension: 70mm x 36mm x 29mm(L x W x H). Fits models: GY6 139QMB, 152QMI and 157QMJ engines. Fits: GY6 50cc-150cc 4-stroke engines Scooters, ATVs, Go Karts, Quads, Mopeds and other Bikes. Spark plug feature: Models: A7TC. Hex size: 5/8 inch. Over length: about 69mm. Thread diameter: 10mm. Thread length: about 12.5mm. Fits: Scooters, ATVs, Go Karts, Mopeds, Quads and other Bikes. Fits models: GY6 50cc-150cc engines, 50cc-125cc horizontal engines.