57 caliper2.jpg57caliper.jpg57 caliper2.jpg

I am trying to identify the calipers that I have on my front disks. One of the bleeders broke off and I need to get a new one. I also think I need a new master cylinder. It is for disk front and drum rear. 57 master.jpg
I hope I have attached a picture of the booster as well. We will see if the pictures attach.

Thank you