35W HID 9004 Single Beam Conversion Kit Replacements They are power units which

They are power units which are needed to ignite the Xenon light bulbs

HID 9007 Xenon/Halogen Replacement Bulbs

You can find the whole conversion set here: 55W HID 880 AC Conversion Kit with Slim Digital Ballasts

Retrofitting a vehicle for HID headlights requires no professional skills

👍 5 Year Warranty

35W HID 9004 Single Beam Conversion Kit Replacements They are power units whichHID Single Beam Conversion Kit Single Beam Headlights Set directly replaces your stock 9004 Halogen bulbs with HID Xenon bulbs If you're looking for brighter headlights, that both look cool and make it safer to drive at night, consider this 35W HID 9004 Single Beam Conversion Kit by Kensun. HID lighting has a few advantages over halogen headlights. One advantage of HID lights is that they are brighter and give better visibility to automobile drivers