prob wrong age for car is all, around 83 the metal brackets on floorpan swapped sides so if you get wrong seats the forward/back handle doesnt work. If you look underneath at the front you'll see the bracket the slider handle needs to sit in, if you push this across with your finger you'll be able to slide the seat. If you flip em upside down have a look at the handle, its not that hard to swap the handle over if they arne not height adjust seats. Also apparently on some seats you can unbolt the belt buckle and swap to the other leg, not looked into this myself. Last option is to drill off the bracket on the floorpan and swap em over to the other side!