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If staying around 550wheel you shouldn't have to touch your rotating assembly.
I personally went with GPI, Customer service is great over there. IF you reach out to them and let them know your goals they will get you the right cam. Can even get a custom spec cam for 25-50$ more.
For what it's worth- I'm stock bottom end and closer to the 600whp range on my track car build. Revving over 7k.
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