COMPATIBLE VEHICLES Does not fit 20142018 Denali models; Does not fit 2007 Classic modelsNOT fit ZR2, TrailBoss, AT4MagneRide models,20192024 new body style 4WD models. IMPROTANT NOTE This Leveling Kit will raise the front of the truck by 2 inches, but the actual thickness is about 1 inches. The the ratio between the height and the thickness of the leveling kit is not 11. Maxracing Leveling kit are CNC machined out of billet aluminum then anodized black to match your factory suspension. ONLY fits vehicles equipped with factory STEEL front lower control arms Feature Simple bolt installation.No need to disassemble your struts.You can get that killer look in notime flat.Works with all OEM control arms. Maintains factory ride quality.Increased ground clearance.Levels the front with the rear of the vehicle ITEM SPECIFICS Installation Time 1 122 hours; Backspacing Factory; Recommended Tire Size 28575 R17; Weight 2.5lbs; Superseded 1307A, 1308