Heavy Metal Suspensions - 2007 - 2015 Chevrolet Silverado 1500 - GMC 1500 (2WD 4WD) 3.5" Front Strut Spacers + 2" Rear Lift Blocks + Extended Plated U-Bolts High Strength Carbon Steel Lift Kit DETAILS: 3.5 Inch Front and 2 Inch Rear Lift APPLICATIONS: 2007 - 2015 Chevrolet Silverado 1500 (2WD 4WD), 2007 - 2015 GMC Sierra 1500 (2WD 4WD). Kit ONLY Fits New Body Style and 6-Lug Models PACKAGE CONTENTS: (x2) Carbon Steel Front Upper Strut Spacers, (x2) 6061-T6 Billet Aluminum Front Lower Strut Spacers, (x2) Carbon Steel Rear Lift Blocks, (x2) Extended Plated U-Bolts, Hardware and Installation Instructions TIME FRAME: Installs In Approximately 4 - 6 Hours. Heavy Metal Suspensions products are the safest way to lift your vehicle without compromising ride quality. CNC constructed with computer programmed pulse welds, Heavy Metal high-grade steel is guaranteed never to break under even the toughest conditions. Each kit comes complete with installation instructions, high-grade hardware and ASE certified telephone support.