Extended 3-Inch Lift & Vehicle Compatibility:This 3-inch rear lift block kit is compatible with 1999-2024 Chevrolet Silverado 1500 and GMC Sierra 1500 models in both 2WD and 4WD configurations (including GMT800 & GMT900 platforms). Please confirm your specific model for perfect fitment.
Achieve Aggressive Stance & Tire Clearance:Effectively raises the rear end to achieve a more commanding and level stance. Ideal for compensating for significant sag from heavy aftermarket accessories or loads, and provides substantial clearance for upgrading to much larger tires.
Commercial-Grade Heat-Treated Steel Construction:Forged from commercial-grade heat-treated steel, these blocks offer maximum strength and exceptional resistance to bending or deformation. Thick protective coating ensures superior rust and corrosion resistance.
Complete Kit with Grade-8 Hardware:Includes everything for secure installation: (2) 3-inch lift blocks and (4) high-strength Grade-8 U-Bolts with nuts. Features a direct bolt-on design that utilizes existing factory mounting points.
Optimized for Heavy-Duty Towing Performance:Dramatically improves vehicle posture and stability when towing heavy trailers or carrying maximum payloads. Eliminates excessive squat to maintain proper driveline angles, steering control, and headlight alignment. Backed by US-based customer support.