High Torque: 600 oz-in 87% more torque than stock Sledge servo 5X more torque for TRX-4 with 2262 external BEC High Speed: 0.13 sec/60° Twice as fast as stock Sledge Full Aluminum Heat Sink Case Full Steel Gears with steel output Brushless motor technology Waterproof Dual ball bearings Factory fit for drop-in installation into 1/10 scale Traxxas models* *Does not fit Traxxas 4-Tec, XO-1, Spartan, or Jato. Some models may require modification. For installation with TRX-4 models with XL-5HV ESC, use Traxxas external BEC (2262) and steel servo horn (8247X).