Pro Comp's Straight Axle Leaf Spring kits offer a progressive multi-leaf spring pack with pro-ride rubber bushings. This 4" kit provides a smooth compliant ride with clearance for 35" tires, includes heavy-duty front track bar brackets and a drop pitman arm for precise steering without bump steer. Rear lift is provided by add-a-leafs and solid billet blocks to improve load capacity and reduce axle wrap. Front and rear u-bolts , extended sway bar links, bump stops, shocks and grade 8 hardware round it off.