I recently replaced my XREAS suspension with an Eibach PRO kit. I am
extremely happy with it.
https://www.toyota-4runner.org/3662967-post12.html
Tire Rack had an incredible deal at the time, but even now it's only about $825 for the parts. If you use freeshipping.com, you'll get another 10% off.
https://www.tirerack.com/suspension/...oModClar=Sport
Hope this helps!