1974 Duster - First Mopar

Got a little work done today, finished the headers got the clutch linkages installed and adjusted. Reworked the engine harness everythings buttoned up jus tneed to prime the engine to crank it but im waiting on a new mastercylinder/power booster to show up before I do. Radiator I was sold does not fit my car its to wide I think the radiator in the car now is a /6...

Theres a couple circuits im not sure about if anyone knows please chime in its the two boxes i took close up pictures of.