Wilwood disc brake kit for mopar A body but using B body spindles

You might want to read post #40 in the following thread for some unbiased first-hand experience in this:
Aftermarket brakes for a 70 Dart?
The current situation I’m in is for the same amount of money I can go down the street and pick up the Wilwood brake kit from Summit (employee discount) compared to spending $100 for shipping from Dr. diff. So I have to think about this.