Leitner Active Cargo System (ACS) forged Rack system with ACS roof platform for $750 All are in great condition, just a little dusty.
The ACS - FORGED NO DRILL - Ford kit costs $1850 new
The ACS roof platform kit sells for $850 new.
Here are the links to exact kits being sold
https://www.leitnerdesigns.com/products/active-cargo-system-forged-ndns-ford
https://www.leitnerdesigns.com/products/acs-roof-for-over-acs-forged-bedrack