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The Tuff Country rear block and u-bolt kit for 1999–2005 Chevrolet Silverado 1500 4WD raises the rear 4 inches using a cast-iron lift block installed between the axle and leaf spring. This economical kit includes extended zinc-plated u-bolts sized for the application and is intended for rear-axle use, delivering a direct-fit, vehicle-specific solution to gain additional rear clearance and adjust stance.
Tuff Country 99-05 Chevy Silverado 1500 4wd 4in Rear Block & U-Bolt Kit
