I know that LED tails are $$$ and some just can't swing that kind of coin. I think I found something cheap that would be just as bright.
http://www.thehotrodcompany.com/shopnow/show_item.asp?product_id=39093
http://www.thehotrodcompany.com/shopnow/show_item.asp?product_id=39097
Also if you want to make them brighter paint the inside of your tailight housings gloss white
http://www.thehotrodcompany.com/shopnow/show_item.asp?product_id=39093
http://www.thehotrodcompany.com/shopnow/show_item.asp?product_id=39097
Also if you want to make them brighter paint the inside of your tailight housings gloss white