Tuff Country 06-23 Chevy Silverado 1500 4wd 3in Rear Block & U-Bolt Kit Air Intake Systems>Throttle Body Spacers Installation is a snap---no drilling

Installation is a snap---no drilling and no special hardware required

Its impact-resistant acrylic material is strong

Easy to lube during fitting and during the re-lube cycle

The Panhard rod bushes control the sideways movement of the rear axle

2001-2006 GMC Sierra 1500 HD (Doors: 4 & Body: Crew Cab Pickup)

Tuff Country 06-23 Chevy Silverado 1500 4wd 3in Rear Block & U-Bolt Kit Air Intake Systems>Throttle Body Spacers Installation is a snap---no drillingTuff Country's block and u bolts kits are an economical solution to raising the rear end of many trucks and SUVs. Lift blocks are inserted between the factory axle and leaf spring to lift the rear end. Each kit includes lift blocks and extended zinc plated u bolts, custom fit for the application.