I have some knuckles I just pulled from a 69! I doubt rotors will make spec. Jim
Knuckles are the scarce and important parts. Ball joints, calipers, bearings, rotors, hoses, tie rod ends...all of that can be had at the local parts store, or Amazon, or a dozen other on-line specialty shops.
But if you don't have knuckles that will work, it ain't happenin'