Installing this Kit will REQUIRE longer shocks AND some welding. See below. The Complete kit 44-2175 7.0" Lift Kit features precision designed laser cut and CNC formed subframe assemblies that directly bolt in. Welding is required for one section which attaches to the frame. Includes heavy duty cast nodular iron steering knuckles, patent pending rack & pinion steering drop system and an integrated differential drop bracket system to insure correct CV axle angles and maxiumum performance in 4WD mode. Fabricated steel strut extensions provide the Maximum 7.0" of front lift while 5.0 tall OEM-style rear blocks provide a quality rear lift that doesn't sacrafice the ride. Total rear lift equals 4.0" of lift when installed.This kit even includes a Patent Pending steering extension to keep your steering performance like factory. Bonus - No need to cut your steering rods like on other kits which requires the tie rods to be shortened. This results in reduced steering radius. Our steering rack drop down system allows you to retain your stock tie rods without modifying them. Bonus - The ReadyLIFT MLS lift kits are the only lift kits that will allow you to use your factory spare wheel and tire in case of a flat. The MLS sub frame and other components are powder coated with a unique and improved Plascoat finish. The Plascoating on the MLS components is a performance polymer alloy coating specifically designed to provid a long lasting, tough coating for exterior applications. The Plascoat finish is especially resistant to stress cracking with improved abrasion and impact resistance as well as a great way to protect against adverse weather conditions, detergents, salt spray and other typical airborne pollutants. This kit does requires longer rear shocks which are not included. Must be purchased separately. The part number for this Ready Lift lift kit is 44-2175 and it fits 2012-2013 Ford F150 4WD models. It lifts the front of your truck 7" and the rear 4" allowing you to safely run up to 37" wheels.