Simoni Racing's Slimline Ballast HID Conversion Kits convert standard headlights to Xenon High Intensity Discharge bulbs. These are much brighter than standard non-HID bulbs, and have a much whiter light. The slimline ballast units make for ease of fitting. The optional inline CANBUS warning cancellers can turn off warning lights on some cars.Very brightClear white lightSlim electronics package for easy fittingA HID Conversion kit converts a halogen headlight to use Xenon High Intensity Discharge (HID) bulbs. These utilise an arc of electricity through xenon gas to produce a much sharper, whiter light. The difference between non-HID and HID bulbs is clearly visible. This clear white light is much easier to see by and reduces eye strain.Xenon bulbs require ballast units to control the voltage. These are usually wired up inline behind the bulbs and need locating somewhere behind the headlight assembly. These kits from Simoni Racing come with special slimline ballast units that are easier