I suggest you check with ChockoStang. chockostangclassicmustang.com is his website.Chock is THE person/place for power disc brake stuff and infi, conversions and also power steering. Just browsing the chockostang web site shows tons of stuff, info, kits, they rebuild etc.
My '64 1/2 vert. Ordered May '64. D code 4 speed, handling package, caspian blue, accent group, Ford blue manual top.
'68 vert. driver. Owned since Apr '78. C code AT, AC, PS, P disc B, PT lime gold, standard black interior and top. NOS RF fender and left quarter.New top and folding glass.