You don't need a low wind motor for drifting, as you want torque not speed. I would suggest a Trinity Monster stock pro 27T motor. Lots of guys like it for drifting. Any stock, 27T motor would be good. Don't go with a low turn 12, you'll only be replacing brushes and cutting coms all the time. As for a speed control, I'd recommend something without reverse or at least a reverse disable feature. Do your homework and get the best for your money.

As for a servo, your Hitec will work fine. Nothing fancy needed in that department.