Stage 2 is the way to go, BUT I have hade problems with hotcams and the customer service is shit. I would go with a megacycle or web cam. There have been problems with hotcams shearing the camsprocket ears right off the cam. The metal is very porus and crappy cast. Just my 2 cents.
686 JE 12.5:1 Ceramic coated piston/head
Megacycle X-4 cam Kibblewhite valves/springs
Pro-flow filter kit UPP intakes
Trinity stage IV Exhaust
Yukon gears +2 Arms +4.5 swingarm 450 shocks