'88 and up GM w-bodies (Regal, Grand Prix, Lumina, Cutlass Supreme), some late model Regals, Grand Prix, Olds Alero. Check for Riviera, Eldorado and Toranado ('90 thru '94). If you can find one, look for a set of rear Fiero calipiers - like the late model N and W bodys, they are aluminum.