Here is an new reproduction bezel:
http://www.ebay.com/itm/70-Mopar-Duster-Dart-Demon-A-C-Thumb-W-Gauge-Bezel-Kit-/380622257668?rt=nc&_trksid=p2047675.m1851&_trkparms=aid%3D222002%26algo%3DSIC.FIT%26ao%3D1%26asc%3D15054%26meid%3D7106581811008277106%26pid%3D100005%26prg%3D1125%26rk%3D1%26sd%3D370798047398%26
For the harness, I would just Google it and see if any one is reproducing them. I have bought a lot of nice reproduction pieces. Then find out if the vendors have quality parts by asking on the forums. Let me know if there is any thing else I can do. I would start with Year One.
Richard
http://www.ebay.com/itm/70-Mopar-Duster-Dart-Demon-A-C-Thumb-W-Gauge-Bezel-Kit-/380622257668?rt=nc&_trksid=p2047675.m1851&_trkparms=aid%3D222002%26algo%3DSIC.FIT%26ao%3D1%26asc%3D15054%26meid%3D7106581811008277106%26pid%3D100005%26prg%3D1125%26rk%3D1%26sd%3D370798047398%26
For the harness, I would just Google it and see if any one is reproducing them. I have bought a lot of nice reproduction pieces. Then find out if the vendors have quality parts by asking on the forums. Let me know if there is any thing else I can do. I would start with Year One.
Richard