@Norton posted:Why not just get a sheet of styrene and and make your own? Score, snap, drill some holes. I have probably done 200 HO cars this way.
Pete
Evergreen Styrene comes in strips, 1/2" wide and all sorts of thicknesses. They are far less expensive than pre-made "spacers" or "shims", and can thus be used to body mount hundreds of Kadee couplers.