66 Dart GT HT Whatsitgonnabe?

Not sure if they do or not. I do know A904 yokes are the same spline as A833 OD 4 speeds, and A727 yokes are same spline as A833 HD and reg duty 4 speeds

Thats about it. Though i got a really wierd driveshaft yoke leftover from the old slanty from my cuda. It only fit the wierd factory junky 3 speed that was in the car, but ironically it fits nothing else. May offer it up on fabo, or just pitch it into the scrap metal pile i been collecting.