Xenon HID Replacement bulbs Brand new pair (2 bulbs)8000K High performance HID bulbsBulbs only!Other Kelvin temperatures and sizes availableGrade A BulbsService life over 10,000 Hours1 Year warranty These bulbs are direct replacements for any HID conversion kit. If one of your bulbs has burnt out, or you simply want to get a different color temperature, then these are it for you. Easy install, to your existing ballasts