Viper brakes 73 dart

Here's a photo of a pair of 73-76 A body, DRUM brake spindles, that use the larger diameter inner wheel bearing.
What you would be needing for the Viper calipers, with the 11 3/4 inch rotor.
And again, i currently don't have any more in stock.
They sell pretty fast for me, when i have them.
But some other members more than likely will be able to hook you up with a pair.