Truckolet, I got mine here for my Napco:
http://inlinetube.com/Brake%20Cables/brake%20cable%20listings/cables.htmFigure out what you need and they can make it if they don't normally carry it in stock. I got mine in stainless steel, not that the old ones were really rusty.
I think they sell other odds and ends of brake parts, too, to answer your other thread.
Good luck,