QSA 1" - 3" Adjustable Lift Keys + Shock Extenders. Compatible with 1988-1998 Chevy/GMC 1500 K1500 Truck (4WD) / 92-99 Suburban / 95-99 Tahoe, Yukon See Description Below for applications (1988-1999 1500 Models) Includes: Heavy Duty Forged Torsion Keys (L+R) AND SHOCK EXTENDERS Allows for leveling (lifting) the Front of Your Vehicle Between 1" - 3" However, we dont recommend going above 2.5" High Quality Powder Coated Finish to Protect from Rust Easy Installation (See our other listings for the install tool).