Heavy Metal Suspensions - 2007-2018 Chevrolet Silverado and GMC Sierra 1500 6-Lug (2WD 4WD) 3" Front Strut Spacers + 3" Rear Lift Blocks + Extended U-Bolts High Strength Carbon Steel Lift Kit DETAILS: 3 Inch Front and 3 Inch Rear Lift APPLICATIONS: 2007 - 2018 Chevrolet Silverado 1500 (2WD 4WD) and 2007 - 2018 GMC Sierra 1500 (2WD 4WD) PACKAGE CONTENTS: (x2) Carbon Steel Front Strut Spacers, (x2) Carbon Steel Rear Lift Blocks, (x4) Extended Plated U-Bolts, Hardware and Installation Instructions TIME FRAME: Installs In Approximately 2 - 5 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 hardware,installation instructions and ASE certified telephone support.