Here are Koford's controllers.
https://www.koford.com/slot/picsControllers.html
You might be looking at stuff like Parma flexis or Womps. Koford sells some Ready To Run cars, They aren't exactly cheap.
If you want to run with the big boys, it's gonna cost ya!
RTR Hawk, FK, 12 & 20 CARS
NEW! M752 FK motor car with Koford EDM spring steel chassis and CR Neo ball bearing non replacable brush
motor. Features hardened solder on pinion, flatted axle, mag rim tires, etc. $153.94 ea.
NEW! M713 Hawk 12 car with Koford EDM spring steel chassis and M647 Hawk 12 motor. Features hardened
solder on pinion, flatted axle, mag rim tires, etc. $204.67 ea.
M457A Box Stock 12 car with the Koford spring steel chassis and the Nat’s winning Gp12 motor with can BB.
Koford quality and technology comes to RTR Box Stock cars. Features hardened solder on pinion, flatted axle, etc. $228.24 ea.
M342-2 G20 RTR car. Koford spring steel chassis and high performance Pro components including high
performance tires, can BB, precision 64 pitch polymer spur, ultralight rubber fronts, graphite guide, ultraflex
silicone lead wire, ultra precision plated tool steel axle, and many other components of a high quality level not
usually associated with ready to runs. $234.61 ea.
M352-27L Premium G27 light car with Nat's winning M610 chassis, CNC can, 27L magnets, and WX+ tires. $562.20 ea.