Fabtech's new 4in F150 Basic system utilizes their proven heavy duty construction and design features found in their 6in systems but with less lift and at a much lower price. This Basic system includes heavy duty front Coilover shocks for increased damping capacity while retaining the factory coil springs. The high arched lower control arm crossmembers are constructed of 1/4in thick steel for maximum strength. The Fabtech ductile iron steering knuckles retain the stock track width keeping tires under the fender for a clean appearance. Rear lift is accomplished with a block and u bolt configuration. Includes Fabtech Performance twintube rear shocks. High quality Fabtech construction with a low price. 1/4in thick steel lower control arm crossmembers and skid plate. Allows use of 33in or 35in tires. ESC and Traction Control Compliant. Estimated installation time- 3-4 hours. No holes to drill. No welding required. No driveshaft modification required.