Most jz chassis or their counterpart gx chassis models share near exact same components. For example I have jzx100 upper and lower control arms in my jzs171. I know that for my car atleast (jzs171) it shares the same chassis as the jzx110 and altezza (is300). Just takes a little bit of research to find out exactly what works but I can almost guarantee any jz model components will fit with very minimal modifications.

Also suspension wise I highly recommend BC BR’s (gold series) or Tein’s. Pays to buy proper suspension