Tuff Country rear block and U-bolt kits for 1973–1991 Chevy Blazer 1/2 Ton 4WD provide a 5.5-inch rear lift using cast iron lift blocks inserted between the axle and leaf spring. Each kit includes extended zinc-plated U-bolts and lift blocks custom-fit for the application, offering an economical approach to raise the rear end and preserve axle alignment on compatible Blazer vehicles.
Tuff Country 73-91 Chevy Blazer 1/2 Ton 4wd 5.5in Rear Block & U-Bolt Kit