30. The rear suspension uses three control arms and a Panhard rod. All components will come in the kit. The lower control arms key off the front leaf-spring eye mounts. The trick to mounting the brackets that connect the rear of the control to the axlehousing correctly is getting the proper pinion angle, then tacking the mounts into place. These angles and detailed instructions will be included in Devious Custom's new '04 F-150 kit.