cast or forged stroker crank?

Any crank should be measured carefully, same with rods cycled, etc. In terms of the best budget crank the Callies Dragonslayer is still the only crank I've ever used that was perfect out of the box. The MP/Scat quality is ok, but some taper is usually found. The Eagles have the same issues but IMO to a worse degree. I've used 4 Eagles and never had to fix any. But all of them had some taper and out of round and these were not the power levels you're talking about.