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.