Features and Benefits:�TR #: TR622A�Bend Angle: 90°�Length until Bend: 1 3/4"�Length after Bend: 4 1/2"�Valve Hole: .625�The Alligator TR 622A Air/water rim valve for agricultural tractors For Air/Water filling. TR622A air liquid valve stems can be used for tractors and road grader service vehicles. Air liquid valves come in different lengths and bends.