The zr2 uses a completely different frame than their respective s10/sonoma/blazer/jimmy/bravada cousins...
The frame is 3" wider
Different suspension mount points (which gives it it's main lift)
46mm blitstein shocks
different control arms
the rear is 6" wider
31x10.5 tires stock
larger wheel and axel bearings
You can not use zr2 suspension parts on a regular truck..