will any SB fuel pump work on a 65 273

Save your money and use Push-Loc hose and fittings. On our race cars we got away from stainless braided and never looked back.
I think cost is equal when you figure labor on the solid line if you have to wiggle in-and-out of a lot of places. When you're laying on the ground Is just easier to feed the braided through all the spots. Did you run into problems with the braided