Suggestions for Motor Build??

It is about time for me to build-up my motor and I'm looking for some suggestions becaue I have read on many forums that the 3V is loosing rods just above 400rwhp. I have an '05 Vortech Supercharged Saleen that we are putting down 558 rwhp on a stock motor. So, can anyone suggest some good forged internal components to go with (i.e crank, rods, pistons). I am also considering bumping the displacement-up, though, I'm not sure how much; any suggestions?

Thanks for the suggestions.
 
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