Just an aluminum block and fuel injection.
I used a cast Scat crank and would now go with a forged crankshaft just incase decide to spray it or turn this thing into a 540 one day.(Crankshaft and rods can be used in a 540) I wouldn't bore it any farther than neccesary. Automatically going to 496 gives you no mulligans for another bore. So...forged crank and mechanical cam. Don't forget the press on cast cam gear for the distributor. You don't want to run a bronze distributor gear on the street. I have a TKO 600.