Just wanted to let you guys know what I found this weekend by total accident. Anyone with an older Redditch Iron Barrel knows that finding a socket to fit the gigantic crank/stator nut can be a bit of chore. The general consensus is that one needs to go to Harbor Freight, buy the industrial sized 3/4" socket set for tractors at $80 + tax, and now you own an entire set of unneeded giant sockets just for that one 2 1/16" socket.
Have no fear! I've found the answer AND the source!
NAPA has a nice selection of over-sized sockets and wrenches, and they happen to have a 2 1/16" socket for $21. So now everyone knows where to get this behemoth of a socket.