Front Drums 73-76 dart; 73-74 Duster;74 Scamp

Hollander Interchange shows 1973 through 1976.

Charlie's in Texas shows a pair for $24.99 each. They most likely come with hubs where the new ones don't if I recall correctly.

http://recycler.car-part.com/CharliesATS/

Mid City Auto Supply, Inc. in Nebraska shows 16 in stock for $25.00 each.

http://www.midcityautosupply.com/