Supreme Suspensions 2007-2018 Chevrolet Silverado GMC Sierra 1500 Full 3" Front Billet Spacers (Silver) + 1.5" Rear Blocks Suspension Leveling Lift Kit 4x2 4x4 Includes Differential Drop PRO Fits: New Body Style 2007-2018 Chevrolet Silverado 1500 2WD and 4WD, New Body Style 2007-2018 GMC Sierra 1500 2WD and 4WD. ONLY Fits 6-Lug Models Designed to Lift your front end 3 inches and rear end 1.5 inches while maintaining factory ride quality Improves differential alignment and eliminates unwanted vibrations in the drive line Kit includes: 2x Pro Billet Front Strut Spacers, 2x Pro Billet Rear Lift Blocks, 4x Pro Billet Diff Drop Spacers, 4x Zinc Plated U-bolts, Installation Hardware,