Front Air Dam 67-69 Barracuda?

A 67-up Dart doesn't have a front valance, just a deep bumper -- the fit would be completely different. The cars that are similar to a 2nd gen Barracuda (narrow strip bumper and rounded valance below) are a 68 Camaro, or an E-body Cuda (somewhat wider, of course), or maybe a 63-64 Dart (narrower, and has lamps in the way). You would wind up drilling your own holes regardless.