500hp & 600hp Bench Racing thread

How about this build, I'm guessing 550 if everything is right:
340 bored .030 over.
Trw flattops, block decked so pistons are .035 above deck.
Open chamber W2's, 11:1 compression
208 intake valve flow about 300 cfm @.600
M1 single plane intake.
Bullet solid roller, 296r
262 @.050 intake 266 @.050 exhaust. .640 lift 109 lobe sep