This is an original fan shroud to radiator support bracket which is uniquely Thunderbird and was used on all 1955 thru 1957 Thunderbirds.
1955 1956 1957 Thunderbird original radiator lower bracket with caged nut
AT For Ford Thunderbird 1955 1956 1957 V8 4Rows 5557 Aluminum Radiator
3 Rows Aluminum Radiator For 1955 1956 1957 Ford Thunderbird 4.8/5.1L V8
55 56 57 Chevy Master Cylinder Cap Original Style 1955 1956 1957 Chevrolet New
Thermostat Gasket For 1954-1959 Dodge Royal 1955 1956 1957 1958 WM211CR
3 Rows Aluminum Radiator For 1955 1956 1957 Chevy Bel Air Nomad 150 210 V8 #5057