100, 150, 250, 400, and 1000 watt HPS replacement ballast kits. High Pressure Sodium Ballast Kits include the following components; Transformer, Ignitor (Starter), Capacitor, Universal mounting bracket, and wiring schematic. These are component kits, not complete ballast enclosures, designed to replace a failed ballast in an existing lighting system and do not include the socket or an enclosure