Just bought my first 1/8th Losi Electric car to start racing

I used to race 1/8th Nitro.
Now i'm joining back to racing and bought a used Losi 8 3.0 really good condition.
On the list for shopping ( hope this is a good setup )
Tekin RX8 Motor & ESC combo 2050kv Going to be running 4s4000's.
Looking at either the Spektrum DX6r OR the futaba 4PX.