I installed some seats from a 924 porsche. they are pretty narrow, have a built in headrest, and are pretty comfy. The hold you in place much better than the originals and have nice sturdy feel. My 2 door had non reclining 4 door seats up front??? I removed the original slider rails from bottom frame of original seat, and had angle iron welded along the sides of the bottomframe, drilled holes in the angle iron and mounted the new sliders to the angle iron. Easy to do if you can get someone to weld it up for you. The seats leave plenty of room for shifter and ebrake and rear passengers. I usually find at least a couple of those 80's porsches at the junk yards. I think i paid $40 for the pair, they do need recovering though.
mine look like these only black with more rips



If you want new, Corbeau has some pretty nice new seats, and list in their catalog a direct fit mount for the 122.

curtis