1973 Ford F100, 4x2 or 4x4, Truck. Original 9" Rear End-Axle Differential Tag., For 3.50 Locking Gears (Traction Lok - Limited Slip). This is an ORIGINAL FORD TAG. Stamped [ WFE-F 2MC and 3L50 9 357A ] A Rare to Find Original Tag. Please email with questions. 081322-13 WE HAVE AN EBAY STORE WITH THOUSANDS OF ORIGINAL and NOS FORD PARTS. CHECK IT OUT.