Supreme Suspensions - 2007 - 2018 Chevy Silverado GMC Sierra 1500 3" Front Strut Spacers + 3" Rear Lift Blocks + Differential Drop Fits New Body Style 2007, 2008 - 2018 Chevy Silverado 1500 (6-Lug) and GMC Sierra 1500 (6-Lug) 2WD 4WD Engineered From T6 Aircraft Aluminum Installation Instructions Included Easy To Install with ZERO Welding or Cutting Required Maintains Factory Ride