This mild 3in lift system is an excellent choice for Silverado and Sierra owners looking to improve their vehicle's offroad suspension performance and run 33in tall tires. The system will handle severe offroad use yet provides a supple highway ride for daily drivers. It's the best of both worlds. System includes heavy duty Uniball Upper Control Arms that are built with .120in wall 1.50in OD 4130 Chromoly tubing for superior strength. High quality 1in FK Stainless PTFE lined Uniball bearings are utilized in place of ball joints. These super stout arms are built to deliver longevity in rugged offroad conditions while providing a more positive on road feel. This 3.5in system features the legendary stainless steel Dirt Logic 2.5 Coilover shocks. These Coilovers are built of the highest quality materials and will surpass all shocks in corrosion resistance due to the stainless steel body and NitroSteel piston rod. They will provide an outstanding ride quality both on and offroad. Rear lift comes from 1.5in blocks and u-bolts with Dirt Logic 2.25 shocks for a balanced ride. Dirt Logic shocks are the only stainless steel body shock on the market that provide maximum corrosion resistance in harshest conditions. This popular 3.5in system will provide true suspension performance and comes with a 5 year 60,000 mile powertrain warranty. Features: Upper Control Arms eliminate factory upper ball joint with super strong 1in ID FK stainless American Uniball for increased suspension strength. UCA construction using 1.50in OD .120in wall 4130 Chromoly tubing reduces flex found in stock arms for more positive road feel. Dirt Logic shocks with stainless steel body and NitroSteel piston rod for maximum corrosion resistance. Strengthens vehicle's suspension and increases wheel travel for rugged offroad use. Bolt on installation with ability to return to stock. Free 5 year 60,000 Mile Powertrain Warranty.