Time for new tires and rims for the 68 Dart

For comparison purposes, you may want to check out ET wheels. They have a Torq Thrust style wheel available in one piece and two piece with custom widths. A friend of mine has a set of Classic V on his Super Bee, and they look great.
ET Wheels by Team III Wheels
That is a good looking wheel. And the 15x7 go up to 5" bs.