M1 Single Plane Intake

Describe how you tried to search?

I searched that part number on google and immediately got this on the very first hit list (FABO)

[SOLD] - Mopar Performance M1 4 Barrel Carburetor High Rise Single Plane Intake Manifold
still doesn`t tell us if b, r/b or small block. If r/b, standard or max wedge port ? I might be interested in it if r/b.