The Tuff Country rear axle u-bolt kit for 1999–2016 Ford F-250 4WD with contact overloads is intended for lifted trucks using 4–5.5 inch blocks. Zinc-plated and corrosion-resistant, each kit includes four u-bolts plus nuts and washers. These u-bolts are designed to secure the axle assembly on lifted rear suspensions and simplify hardware replacement.
Tuff Country 99-16 Ford F-250 4wd w/Contact Overloads (Lifted w/4in 5.5in Block) Rear Axle U-Bolts