Yes, you can use the standard size full aluminum frame if you can find one. But, as I said before, I would look for a used reel, even a parts reel, and start there. That way you've got the frame and spool and everything matches up. Agree with BTA, probably won't find a new one in the standard size. If you get a wide frame, you've got to find a wide spool. That's going to me hard to find new as well.
I don't keep the SS upgrades for the 114 in stock, but Ocean Master does.
bwise also makes a good point about corrosion. I avoid that be lubing every screw when I put one together. And my gear doesn't get the use or potential abuse of a charter boat.
The frame in the pic above is Duracoated silver. The stock color is black.
Hope this helps.