i'm doing mine in my 93 sometime this week; i ordered them off eEuroparts.com and according to the description, the inner drivers are the same from 1985 up to the 1993. Here is the part description from the web:
http://www.eeuroparts.com/(5vuk5b551uvcageo1boc5xfy)/productdetail.aspx?searchResults=1&code=5820
also you can get DIY instructions here, it has pictures and everything! http://www.twinsaabs.com/drivetrain/dt1.htm
good luck,
Joe
http://www.eeuroparts.com/(5vuk5b551uvcageo1boc5xfy)/productdetail.aspx?searchResults=1&code=5820
also you can get DIY instructions here, it has pictures and everything! http://www.twinsaabs.com/drivetrain/dt1.htm
good luck,
Joe