Amazon.com: H4 HID Headlight Bulbs 6000K Xenon White with 55W DC Slim HID Ballast by Yifengshun Super Bright Xenon HID Light Bulb for Auto High / Low Beam (2 Xenon Bulbs +
Auto Lamps HID Xenon Kit 35W 55W 75W 100W Xenon Bulb with Ballast H1 H3 H4 H7 H11 - China HID Xenon, Auto Lamp | Made-in-China.com
Xenon HID lamps: A Complete TechASSIST Guide to stocking, selling and replacing.