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Those jet sizes sound huge. Why did you settle on them? Did you test mixture while on the dyno?
Did you degree your cam? They usually make them advanced to benefit low rpm at the expense of high. You could possibly retard it 2-4 degrees to get more usable power 2-3 hundred rpm higher.
I don't think your numbers sound bad at all, in fact they're probably some of the most realistic to get thrown around. As far as bottlenecks go there's always those stock exhaust port bolt spacings which force the header flange to be too narrow.
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