New Brushless Conversion Help

[pisimi]

Hi,I have a kyosho usa inferno Buggy rtr, but i am changing it to brushless but not sure about the battery or charger, what size pinion i need and anything else i need. if someone could help thx.
if i can get all of this for under 650 that would be great, but i could pay more if needed..
Neu 1512 2d/F Sensorless Brushless Motor
Castle Creations Mamba Monster controller V3
5mm bore, mod1 pinion
Brushless Motor Mount - Kyosho
Battery Tray Kit
Castle Creations 10 amp Switching BEC