QSA Front Shock Extenders (SET). Compatible with 1999-2006 Chevrolet Chevy Silverado 1500 / GMC Sierra 1500 4WD, 2000-2006 Tahoe/Suburban/Avalanche/Yukon/Yukon XL - 2WD / 4WD See Description Below for applications (1999-2006 Chevy / GMC 1500 Models) Includes: Front Shock Extenders Allows you to keep your factory shocks when lifting the front end of your vehicle with Torsion Keys. High Quality Powder Coated Finish to Protect from Rust Easy Installation