Liftcraft - 1988-1999 Chevrolet GMC K1500 4WD Lift Kit | Adj. up to 3" Front Carbon Steel Torsion Bar Lift Keys + 2" Rear Billet Lift Blocks with Extended U-Bolts & Unloading Tool Kit LIFT: 1-3 inch adjustable front and 2 inch rear suspension lift over stock FITMENT: 1988 - 1999 Chevrolet and GMC K1500 4WD | NOTE: **Please contact us prior to payment if your truck has rear overload leaf springs. MATERIAL: High Strength Steel Torsion Bar Lift Keys, two times the strength of your factory keys | 6061-T6 Billet Aluminum Lift Blocks with ideal strength and weight INSTALLATION: Bolt-on kit, only takes a few hours to install; No modifications required CONTENTS: Carbon Steel Torsion Keys (2), Aluminum Lift Blocks (2), Extended U-Bolts (4), Carbon Steel Unloading Tool (1), Hardware and Detailed Instructions - Liftcraft suspension lift and leveling kits come with a lifetime guarantee and are the easiest, safest, and most affordable way to improve the look of your truck and run bigger tires