QSA 3" Front Lift Spindles. Compatible with 1999-2006 Chevrolet Chevy Silverado 1500 / GMC Sierra 1500, 2000-2006 Tahoe/Suburban/Avalanche/Yukon/Yukon XL - 2WD NOTE: It has come to our attention that some other people are selling their product under our listing. This other product is not Quality Suspension Brand and will NOT be covered under our warranty. Pay a couple dollars more for the real deal and be fully covered. Our spindles come with a Full Manufacturer's Warranty! 1,000's of these sold Includes 1 set of 3" Lift Spindles (L+R). Easy Install. Direct Bolt On High Quality Ductile Iron Castings Wheels 17" or Larger Recommended (Max Backspacing of 4.625" or else spacers might be required) Fits NBS (1999 - 2006, 2007 Classic Body) Chevrolet Chevy Silverado 1500, GMC Sierra 1500. AND 2000 - 2006 Tahoe, Suburban, Avalanche, Yukon / Yukon XL (2WD ONLY)