Scamp bumper?

Scamp is a Plymouth so a Duster will work. BUT there is another variable to watch for: Standard vs "shock absorber" style bumper brackets. Chances are that you will have the latter "shock absorber" style brackets, but double check. Those latter bumpers are easily identifiable by 2 extra carriage bolt fastening locations, one on each side of the top of the license plate area. They may have started using them on Scamps in '74 but definitely in '75 & '76. Be careful, they weigh a LOT!