Over the LS3 cam it might only be that much. I'm sure it will be worth quite a bit compared to the AFM stuff and overall useable power. I want to push the redline up to 6600. It won't be as much as you think. Headers and tune are in the $1500 range with "the good stuff". I can do the LS9 cam swap for $800 with labor. Already have the heads lined up to be ported for $400. I think I might get more than 35hp.