Supreme Suspensions - 2007 - 2018 Chevy GMC Silverado Sierra 2.5" Front Strut Spacers + 1.5" Rear Lift Blocks + Differential Drop Kit PRO Fits New Body Style 2007, 2008 - 2018 Chevy Silverado 1500 (6-Lug) and GMC Sierra 1500 (6-Lug) Engineered From T6 Aircraft Aluminum Installation Instructions Included Easy To Install with ZERO Welding or Cutting Required Maintains Factory Ride