Hows this sound?Combo/camshaft

Go easy on me fellas looking for advice with cam selection or thoughts on this one
400/451 Half filled hard block
Scat crank & rods
Ported stealth heads w/Manley valves and upgraded locks and retainers
Rpm dual plane
Comp pro magnum roller rockers
Icon pistons 10.5:1
Morel solid roller lifters
Bullet cams
264 271 @ 50
626/626 lift
105° lsa
This is all the info I currently have from the machine shop and I'm a total rookie here so tell me what ya think.
Mostly a street car but I would like to give my boss a run for his money one day he's running 10.6 if I could get into the low 11s I'd be pretty stoked.
I know these heads will be the choke point we had them flowing 298@500 but its a start