1975 Ford Pinto, Mercury Bobcat. Original 8" Rear End-Axle Differential Tag., For 3.40 Non-locking Gears. This is an ORIGINAL FORD TAG. Stamped [ WDY-U 5AC and 3.40 8 218B] Please email with questions. 081322-38 WE HAVE AN EBAY STORE WITH THOUSANDS OF ORIGINAL and NOS FORD PARTS. CHECK IT OUT.