Jim at jdrace can give you every combination that would work in your car. He made a post in the parts for sale forum and his user name is Monza and contact info it listed. His website is jdrace.com Here is the post https://firstgenfirebird.org/forums/ubbthreads.php?ubb=showflat&Number=279541#Post279541 He has helped a a few here including myself and he knows his stuff on rear ends and is most helpful!