1974 Duster

I think you meant *plymouth duster* lol.....anyhow.

as for a swap for the 73 and up style down to a 70=72 style grille ....I am pretty certain the fenders are the same EXCEPT there are tabs on the 70-72 style that allow you to mount the upper portion of the grill,where as on the 73-76 style these tabs are non existent. I am sure fabing up some mounting brackets to work with your fenders would be much cheaper than getting another set of fenders.

also, the hoods are different, grills are different of course and bumpers are different. And I may be wrong but i think the bumper to grill filler panel may be different also.

alot of guys have done the swap so I am sure a quick search will probably get you some info on what others specifically have done.

welcome to fabo!