If your truck is the 5x4.5" bolt pattern run the 87-90 spindles if its 5x5.5" run the 91-96 spindles. you will most likely have to change your outer tie rod ends and adjuster sleeve with the swap. I got all my info from www.MOPARTS.com
Mine has the 5 x 5.5" bolt pattern. I'm kinda glad too because I think that I am going to run the old Eagle Alloy 17's that were on my caprice.lear eve Will 15's crything with the dropped spindles? That just came to mind as a general question. I check out the moparts site too.Here's the wheels <IMG SRC="http://i61.photobucket.com/albums/h54/dragn4door/Body%20and%20Paint/1dsc.jpg">