CDI (in this case sometimes also referred to as ECU). Most commonly used for (but not limited to) 400cc ATVs such as the Jianshe JS400 Mountain Lion as well as many other clones, rebrands and similar displacement machines.
110 cc Piston Ring Set
2WD / 4WD Switch - 400cc, 500cc, 700cc, 800cc Hisun
4 stroke Oil Dipsticks
Actuation Cable - GY6 Carburetor Cable, Electric Start
Air box complete Katerra KMV250, Baja WD250-U