Scat 4” cast crank?

There is nothing wrong with a cast scat crank for what your doing and much more .
I agree. I ran a cast Scat at 565HP, pounded the snot out of it, and the dude who bought that shortblock is still running it years later. I went forged steel cause I was heading for 600.
Never heard of a Scat crank breaking although I'm sure it's happened. Eagle on the other hand are trash. Period.