2011-2019 GMC Sierra 2500 3500 HD. 2011-2019 Chevrolet Silverado 2500 3500 HD. 3" Front Lift Kit with Front Shock Extenders. 1"-3" Adjustable Front Lift Kit. They're engineered with just the right indexing so that you can adjust up to 3" of lift from the factory ride height without compromising ride quality.
