Heavy Metal Suspensions - Adjustable 1" to 3" Front Torsion Key + 1.5" Rear Spring Spacer + Shock Extender High Strength Lift Kit - 2000-2006 Chevrolet Suburban 1500 (4WD) DETAILS: Adjustable 1 to 3 Inch Front and 1.5 Inch Rear Lift APPLICATIONS: 2000 - 2006 Chevrolet Suburban 1500 (4WD). ONLY Fits 6-Lug Models PACKAGE CONTENTS: (x2) Carbon Steel Adjustable Torsion Keys, (x2) Carbon Steel Rear Spring Spacers, (x2) Carbon Steel Shock Extenders 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.