Here's what I got when I asked about swapping in rear disc's on my Z71:

Call TSM. Their kits range around $300. You can get a TSM catalog for free. # is 303-688-6882. Call after 1pm.

John
95.5 YJ with "stuff"
94 GMC Z71 without "stuff"
http://SonsofThunder4x4.com

 

I found these guys (local SoCal boys) make an outstanding disk rake conversion:

http://www.powerslot.com/

.undertow.