Vendor advice needed...72 Duster interior parts, etc

72 has the one-piece cardboard headliner. You can get an ABS one covered or uncovered. Watch Amazon for it to go on sale.
Dante's has them also probably Classic Industries as well.
DMPS-3134 Mopar ABS Molded Headliners 72-76 Duster, 73-76 Dart Sport, 72 Demon - dantesparts.com