Free Slim Ballast Upgrade - Sportiva Motors 9006/ HB4 8000K HID Xenon Conversion Kit Headlight + SLIM Ballast (Sky Blue) Plug and Play :Our complete HID Conversion Kit is "plug and play" for all halogen bulbs headlights.H1 ,H3 ,H4 ,H7 ,H10, H11 ,H13 ,9004, 9005, 9006, 9007and Bi-xenon H/L Save Power : HID light consume only 35W of electricity making them over 3 times more efficient than traditional halogen bulbs Longer Life : HID light lasts over 2500 hours = 3 or 4 years maintenance free. Safety : HID light increased brightness of 300% (over traditional halogen bulbs) adds an extra margin of safety on the road. Appearance : Attractive, cool bluish/white light is comfortable and very close to the natural light emitted by the sun. It makes everything easier to see at night