Cardone® engineers methodically designed Cardone New Steering Gear Boxes to rectify any original design deficiencies, based on considerable expertise with reverse engineering to re-manufacture steering components. All spinning and actuating components are thoroughly hardened, polished, and finished to ensure a lifetime. To assure reliability, each unit is computer spool valve balanced and load tested. Cardone New Steering Gear Boxes include OEM-grade seals, O-rings, and boots for dependable OEM performance.