I checked with Rhino-Rack and the correct roof rack for your 1996 Mitsubishi Delica Van is as follows:
-Rhino-Rack Vortex Aero Crossbars - Aluminum - Black - 54" # RRVA137B-2
-Rhino Rack Gutter Mounted Legs - 8-3/10" Tall # RL210S2
-Track-Mounted Leg Adapters # RRVA-FK1 view full answer...