Try Stumpf welding in IL. They make doors for standard SA's and could probably do shorthoods too. $235 a set brand new with latches on ebay. Real fair shipping. Worth a try. Jarrod is the guy to talk to. 618 566 4733. Good luck. S.W.
check with chris at chris's welder repair in odessa texas,,,he's probably even got stainless. his number is 432 552 8150,,also try tom watera at 985 384 6914