ok, I called Allpro for ya.
Aparently there are two part no. depend on what yr your axle is. the 79-81 has 6 holes rotors and after that it's 8 holes.

dorman part no.
early style 6 holes rotors... p/n 610-073
8 hole style...610-144

nuts
1/2x 20

I hope that helps.
Need anymore info just chime in.

If you dont't like religeous holidays, go to work.Otherwise, let's call them what they are.
It's freedom OF religion not from.
95-4R,SAS,f/r locked,35MT/R 5spd, 4:1,5.29. my site