Thanks for the replies! Yeah that is what I figured I might have to do. The 69 looks pretty similar to the one on mine. As long as the fittings work I could try that route?
Also found these GM universal lines, wonder if those could work. The return line was easy to source.
https://www.speedwaymotors.com/Universal-1964-72-GM-Power-Steering-Hose-Kits,7271.html?sku=91032525&utm_medium=CSEGoogle&utm_source=CSE&utm_campaign=CSEGOOGLE&gclid=EAIaIQobChMIzYO_57LK6AIV-__jBx2DPAeYEAQYASABEgI0GfD_BwE