I just bought mine for my 1953 from St Louis Spring. They are American made, and they claim that they are made from North American steel. Mine were quite a bit less money than same thing from Eaton. They also came with correct bushings already installed.

Mike Burns
1940 Chev 1/2 ton
1953 Chev 1/2 ton
1950 Studebaker Starlight Coupe
1947 Indian Chief
1943 Indian 741