For $5400 we can hook you up with a Air Link (G Link with Shockwaves), Fabricated 9 bolt in housing with all brackets pre welded, 31 Spline True Track, nodular case, aluminum support, gear of your choiuce, and Axles / bearing for new style big Ford ends.
Easy to install, killer adjustability, and looks amazing (like looks matter)
See more here
https://lateral-g.net/forums/showthread.php4?t=20049