Originally Posted by theshadow27
In short, unless you've designed with high-power LEDs before, I'd leave this to a major manufacturer or use regular 5mm or 3mm (20mA) LEDs.
Thing is 5mm or 3mm won't provide enough light imo (as you can tell by the el cheapo angel eye bulb replacements out there on eBay)
Just need to get a nice aluminium heatsink machined then I don't see how it could be so hard. Wire in a fuse and regulator, with a few luxeon high powered LED's. ala LUX H8