NOS front spoiler available from Direct Connection in the early 70's part number 4120359.
If you have an old DC book you will see this shown , application 70-74 Dart Duster Demon
Sturdy ABS plastic...looks cool on front.
One advertised elsewhere for $249.00 plus shipping.
This one is $165.00 shipped to you in the lower 48 from 13640 NY
Pictures to follow.
Terry