Originally Posted by Rob.G
Dunno... for what they're charging it sure as hell better.
Any idea of how much power the $1200 ported head with big valves would give vs. the stock head? Assuming you went the full-boogie with the 790 kit, stage 2 cam and so on...?
If it's only 5-8hp...? That's a lot of dough for little gain. I don't know how much hp it would end of giving over the stock head, but it had better be a bunch otherwise that's some expensive HP.....