The Tuff Country rear block and u-bolt kit for 1992–1998 GMC Suburban 1500 and 2500 4WD raises the rear 1.5 inches by inserting a cast-iron block between the axle and leaf spring. Each economical kit includes extended zinc-plated u-bolts custom fit for the application and is designed for rear-axle use, providing a direct-fit option to fine-tune rear ride height and clearance for those Suburban models.
Tuff Country 92-98 GMC Suburban 1500 & 2500 4wd 1.5in Rear Block & U-Bolt Kit