I have the Artec kit:
http://www.artecindustries.com/TJ-88-Swap-Kit-with-Truss_p_233.html
Yes Disk brake and no the kit isn't installed.
http://www.artecindustries.com/TJ-88-Swap-Kit-with-Truss_p_233.html
Yes Disk brake and no the kit isn't installed.