Take your Heavy Duty Truck to the next level with Rough Country's 6-inch Suspension Lift designed to run up to 35-inch tires. Gain increased ground clearance while maintaining factory ride quality with this all-inclusive kit designed to give the best of both worlds, on or off-road. Featuring CNC machined Knuckles, Heavy-duty front and rear laser cut cross members, and our expertly valved N3 shocks this kit gives you a bang for your buck like no other! While a full set of high clearance drop crossmembers, differential drop brackets andtorsion bar drop brackets keep everything at optimum angles. Rough Country's 6" Suspension Kit features (4) Premium N3 Nitrogen-charged shocks, giving your truck incredible ride-quality both on and off-road. Also included are a set of front CV spacers, sway-bar links, and a protective skid plate to give you everything you need to get rolling in one of our best kits, at our best price ever! This all-inclusive kit comes with everything you need, and best of all this kit features Rough Country's Lifetime Replacement Warranty.Maintains factory ride quality. Increased ground clearance. Designed to run 35x12.50 tires. One-piece quality cast CNC machined knuckles. Integrated skid plate does not sacrifice ground clearance. Includes application valved N3 series shock absorbers which offer the best in balanced performance for on and off-road use.Requires minor modification to the front differential. If equipped with factory 17-inch wheels and purchasing new wheels - the new wheels must be 17-inch or larger. Use of a 35x12.50 tire may require modification to the front valance. If equipped with a gas engine, then an exhaust reroute modification may be needed for front driveshaft clearance. Torsion bar unloading tool required for installation. Available here! SKU: 10676 - 8 hourshttps://s3.amazonaws.com/roughcountry/install/921297000.pdf2001-2010:4WD:Chevy:Silverado 2500 HD;2001-2010:4WD:GMC:Sierra 2500 HD