I need help identifying 66 spindles

I just got a project 66 Mustang. I wish to change to disc brakes but not sure what spindles are on the car now. It started its life as a 6 cylinder but now has a 289. The wheels are 5 lug but I'm not sure if that helps. Can someone please look at this photo and tell me more about this spindle?


  • spindle.jpg
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