Crank issues

Your best bet is to have it "index ground". What that means is they will verify that the stroke is correct AND that the throws are 90 degrees apart. It's the only right way to have a crank ground for a performance engine.

In my opinion, Mopar Performance parts should be considered cores at best. Their QA is non-existent.

I wouldn't put one of their cranks in my engine without magnafluxing, index grinding and balancing it. Also check to make sure all of the oil holes are properly drilled.