Motor Bike HID Conversion Kit - H4 Moving Hi/Low Bulb 45w 4300kHID conversion kits will increase the brightness of your standard headlights by around 3 times. A common complaint from car owners (even brand new cars) is the inadequacy of the existing headlights. Upgrading your existing headlight or driving lights is a cost effective solution to improve your visibility at night. Not only do HID lights give you a massive increase in brightness of your headlights, but they will also last around 10 times as long as