1991 Dakota 318 TBI Belt Tensioner made of Unobtainium

What kills Me is that they bother to put a bracket & large idler in place of the A/C compressor to maintain routing & tensioning, yet take a different belt anyway, WTF? The engineers can't figure out how to match placement & pulley diameter?

Mine doesn't have a bracket and large idler in place of the AC compressor. Looks very similar to how the non-AC setup for a Magnum looks.