I know that nothing is "perfect", thats why there are tolerances. But as a point of reference, how do "stock" mopar cranks measure out in regards to journal taper, concentricy, and indexing? A lot of folks take factory stuff and reuse it with out checking anything and don't give it a second thought. Just an honest question that maybe some of you machinist that have checked a lot of them can answer. I too am looking very seriously at a 440 source kit. Thanks, Brian