2011-2019 Duramax LML/L5P Kryptonite Stage 3 Leveling Kit w/ Fox Shocks (KR11STAGE3FOX)(This Package is designed to level the front of LML trucks a maximum of 2 inches! Any adjustment beyond 2 inches over stock height will most likely result in complete front shock failure!) Kryptonite leveling kits are the fastest, safest, least expensive way to bring the front of your GM HD Truck 2 inches closer to the rear. Our torsion keys are designed to grab the FLAT of the torsion bar for a tighter, sturdier fit. Kryptonite torsion keys are