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Some 7x0.010 sticks and a 62 or 64mm charger should get you there. Do you tow at all? That will help determine which size turbine wheel you want, as well as which comp wheel and housing will work best for you.
Sean
I made 488 with a 62/71/14 and 110 ddp's with edge juice with attitude. I recommend a smaller exhaust housing on the turbo though and 150's you should get to 500.