7 1/4 axle shafts needed...

SGBARRACUDA said
Damn. I have a BBP 7 1/4” in a 75 Valiant. 150.00.

73 up 7.25's, at least if they are from a V-8 car are BBP. I believe you will also have to go with a 10" brake set up, as the BBP axles
won't work with 9" brakes.