Level the front end of your Chevy Silverado/GMC Sierra 2500HD/3500/3500HD with the rear by installing a Tuff Country EZ-Ride Suspension leveling kit. These easy to install replacement torsion bar keys are designed to level trucks equipped with factory torsion bars. Designed to re-index the stock torsion bars which levels the GM Trucks without cranking up the factory torsion bars.Details: 2 Inch Front Leveling Kit w/ Purple Factory Torsion Bars Constructed of high quality steel Heavy Duty torsion bar keys Bolt-on installation New shocks not required, includes front shock relocating brackets Level front of your truck with rear No need to crank up torsion bars Limited Lifetime Warranty Made In The USA Sold As A Kit Fits: 2001-2010 Chevrolet Silverado 2500HD 4WD/2WD 2001-2010 Chevrolet Silverado 3500/3500HD 4WD/2WD 2001-2010 GMC Sierra 2500HD 4WD/2WD 2001-2010 GMC Sierra 3500/3500HD 4WD/2WD Installation Notes: Once installed torsion bar keys (regardless of brand) can result in a harsher ride New extended shocks are not required to install this leveling kit properly Torsion bar keys are designed to install with a stock suspension only. Do not use with other types of lift kits. Will void warranty All Chevy/GMC factory torsion bar keys are marked with a color code on the key. If your vehicles markings are not purple, use P/N 12904 Amount of Lift: 2 inches Front / 0 inches Rear Includes: 2) Torsion Bar Keys, 2) Front shock relocation brackets