Heavy Metal Suspensions - 2001-2010 Chevrolet Silverado 1500HD and 2000-2010 Chevrolet Silverado 2500HD, 3500HD 8-lug (2WD 4WD) 3" Rear Lift Blocks High Strength Carbon Steel Lift Kit DETAILS: 3 Inch Rear Lift APPLICATIONS: 2001 - 2010 Chevrolet Silverado 1500HD (2WD 4WD), 2000 - 2010 Chevrolet Silverado 2500HD (2WD 4WD) and 2000 - 2010 Chevrolet Silverado 3500HD 8-lug (2WD 4WD) PACKAGE CONTENTS: (x2) Carbon Steel Rear Lift Blocks, Hardware and Installation Instructions TIME FRAME: Installs In Approximately 1 - 3 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.