ReadyLIFT Suspension's 69-3522 SST Lift Kit is designed for 2011-2019 Chevy and GMC 3500HD trucks offering a cost-effective bolt-on lift solution without permanent modifications. Suitable for trucks with Single Rear Wheels and Factory Tow Package Leaf Springs or Dually Rear Wheels this kit is incompatible with trucks having top-mounted overload springs. The kit elevates the front of the truck by up to 3.5 inches and includes a 2.0" rear lift block for added rake during towing and hauling making it ideal for the 2011-2018 3500HD models. It features heavy-duty tubular steel upper Control Arms 2011-2019 3500HD-specific lift-oriented forged torsion keys for adjustable lift while maintaining factory ride quality and unique indexing. The kit also contains CNC-machined differential drop spacers for 4WD trucks to maintain safe factory angle for front CV axles (not used in 2WD trucks) and OEM style 2.0" cast iron rear lift blocks with new U-bolts and hardware for rear elevation. The SST3000 Performance Shocks are included for enhanced performance. Additionally it comes with new super strong tie-rod end assemblies replacing weaker factory versions for improved steering strength. This kit allows for up to a 34-inch tall tire and provides a raised stance with robust components specifically tailored for new GM HD trucks.