How about a pair of 65 Chevy Impala back up lights?
Or some Cadillac lights?
Glue one
of these in, and you're ready to roll. I have a pair of both types with the chrome, brand new, for sale. $40 plus shipping for a pair of either type, LED not included.
On the other hand, if you're more in the market for what 'normal' people might use,
http://www.radiantz.com/cart/index1.html?c16.html&1 
I can speak for the quality of the Radiantz line. Good stuff, and very bright lights.