Heard DC seats bolt up - help?

went to junk yard and pulled seats from a 94 teg (SHOULD be DC) , vacuum / steam cleaned, dyed black, but when i went to bolt them up the rear inner side is too high. here's pics:
you can see my fingers fit under the mounting bracket, so even if i got a longer bolt it would never be flush. if anyone can tell seats apart by appearance, here's some of my interior:



you can see my fingers fit under the mounting bracket, so even if i got a longer bolt it would never be flush. if anyone can tell seats apart by appearance, here's some of my interior:

