no, but...
go here
http://www.chevytrucks.org/tech/ifs&rearend.htm scroll way down
pick a rearend that fits your truck and get one from a junkyard
you'll need to cut all the old mounts off and weld on new spring pads from a trailer supply
i used a 3rd gen trans am rearend that was originally coil spring mounted
in the pic i am setting the pinion angle, nothing welded yet