1967-1969 Barracuda 1968-1970 Charger NOS Locking Fuel Cap.

According to the 1968 parts catalog, 2925881 part number is for Dart, Valiant, B-Bodies except Coronet and Charger.
Also says except for Barracuda, so I don't think this is correct for 67-69 Barracudas.
Am I missing something?