Ford 99-04 GT 8.8" Posi-Trac Differential with 3.27 Gears. $125 shipped. Willing to separate. Ford 8.8" 3.55 Ring and Pinion. $95 shipped. Ford 8.8" 31 Spline Posi-Trac Differential with new Spider Gears, Clutch Packs, and Springs. $175 shipped. Ford 99-04 GT Length 5 Lug Rear Axles. $50 picked up. If you want more than one thing let me know and I will give a discount for purchasing more than one item! Thanks for looking!