The Saginaw 708 is a recirculating-style power steering gear box used on many vehicles across many manufacturers and years. In this case it's from a mid-70's Dodge Power Wagon. In part 2 I cover reassembly of the gear box.
Rebuild kit: (GATES 350340 ) https://amzn.to/3KGHF8o
Race and Seal Driver Kit: https://amzn.to/3KdQxRS
Syringes: https://amzn.to/3zK6ZEC