The Revtek 3" lift is designed to deliver excellent on and off road performance. All materials used in the lift system are made of original equipment specified material. Revtek features a spacer design for an easy, low cost installation (1-3 hours). This kit includes a rear block kit and differential drop spacer kit. No cutting, welding or modification of original steering components necessary. Coil compressor is required for installation. Longer shocks are not required.