Rough Country's 3in Bolt-On Kit offers easy installation and aggressive good looks at an incredible value. Take your truck to new heights with this excellent option for GM HD Models. This kit features a set of high-quality, tubular Upper Control Arms with durable rubber bushings. These arms are designed to promote a factory-like geometry by keeping the ball joint at optimum angles after lifting. This design allows for an improved, full range of motion from the ball-joint, with less stress, wear and tear. This kit also features a set of durable, forged torsion bar keys, offering uncompromising strength and rigidity over factory keys. Once installed, this kit gives your truck plenty of ride height for up to larger tires while offering a clean, level look from front to rear. This all-inclusive kit comes with everything you need, and installation is a piece of cake compared to other kits on the market! Featuring a 100% bolt-on installation process that requires zero cutting or drilling, this kit can give your truck a huge transformation while preserving the ability to return to stock if needed. Best of all this kit features Rough Country?ÇÖs Lifetime Replacement Warranty!