When I put 93 Mustang seats in mine I got non powered seats and just cut the risers off of the longer travel 93 rails. I then welded a couple of short 1/4" x1" brackets and bolts with the O/E rail mounting dimensions onto them and set them back onother 1 1/2 inchs for more leg room.. The 93 and 68 seats had virtually the same mounting width so whole process was a snap.
Modified 68 Mustang convertible, 331,AOD, EPAS, MCA Red Grille Medallion, driven class. 2014 MCA Pinnacle Award
05 Mustang, MCA Grand National Gold (sold)