Magnum shortblock capability.

I have a .040 360 block on a spare stand that I bought a couple of years ago. I tried to buy a stock stroke chevy journal crank as the one that came with it was a cast 360 crank cut down to chevy size. That kinda scares me because I want to push this build HARD.
If I understand this right..... So will they not cut a stock journaled Mopar crank down to SBC size? Is this 2.100 or 2.000"? I've just been going through some strength computations with cutting down the journals today on another project, so this caught my eye.