1970 Dart big block engine swap.

That's a loaded question...
So are you asking about a BB engine swap, or a disk brake upgrade, or a combo with aftermarket parts????

OEM parts?

BBP wheels or OEM SBP wheels?
I’m putting a 440 in an a body, so I need to upgrade my spindles for disc brakes. What brand of kit do you recommend, if I stay with the torsion bars.