The Tuff Country rear block and u-bolt kit for 1992–1998 GMC Suburban 1500 and 2500 4WD lifts the rear 3 inches by inserting a cast-iron block between the factory axle and leaf spring. This economical kit comes with extended zinc-plated u-bolts custom fit for the application and is specified for rear-axle use, providing a simple direct-fit solution to increase rear ride height on supported Suburban models.
Tuff Country 92-98 GMC Suburban 1500 & 2500 4wd 3in Rear Block & U-Bolt Kit