New Old Stock Control Valve to Cylinder Power Steering Pressure Hose for the Following HD Trucks;72-73 C800/C1000/CT800 with 361 Engine.72-73 C800/C1000/CT800/CT1000 with 7000 lb. Axle.74 C800/CT800/CN800/CNT1000 with 361 Engine.74 C800/CT800 with 7000 lb. Axle.May do the 75-77’s as well, but we are missing those Years of Parts Books. Will not do 78 and on. OEM Part # 2960375. Only have one of these.