Tuff Country 73-91 Chevy Blazer 1/2 Ton 4wd (Lifted w/5.5in Blocks) Rear Axle U-Bolts - 17757

Tuff Country u bolts are designed specifically for vehicles with suspension lift kits. These zinc plated; corrosion resistant kits include 4 ubolts along with nuts and washers.
Installation Instructions