This mild 3" lift system is an excellent choice for Silverado and Sierra owners looking to improve their vehicle?s offroad suspension performance and run 33" 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 .120" wall 1.50" OD 4130 Chromoly tubing for superior strength. High quality 1" 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 3.5" 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 1.5" 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 3.5" system will provide true suspension performance and comes with a 5 year 60,000 mile powertrain warranty.