Might be going a different route. Lets see what bites here.
Holset HX52 - with billet comp wheel... free spins... minimal in/out/side to side play.
Comes with a very nicely welded on 3.5" vband, with clamp and the matching side that has not been welded on.
Oil drain flange (with 1/2 npt thead) and oil feed flange (-4an)
Gaskets for the oil and the turbo exhaust in...
$400 obo
Does not come with the lines for the oil, just flanges.