Cabelas has an LED Tailight kit in their 2003 automotive and atv catalog.
part # AP-01-4913-001 $44.99
Right and left
lights and
license plate bracket. They look like surface mount style. I assume they can be gutted and the innerds put into any housing.
www.cabelas.com
If there are any typos here ...I havn't really woken up yet.