Steering Gear with Cylinder Assist Ports Fits 2008 to 2010 Ford F-250 and F-350;DD Input;Tested for proper flow balance;Components are inspected for wear, and are magnafluxed to find cracks that are not normally visible;O.E. spool valves are completely dis-assembled, inspected, modified with proper T-bar, reassembled and tested for proper flow balance PSC Steering PSC Steering Steering Gear with Cylinder Assist Ports - SG754R SG754R Steering Box