This is the Replacment High Torque Servo for the Traxxas T-Maxx and E-Maxx or any other vehicle that you would like to mount this in. This part goes between the receiver and hooks to the steering or motor or engine to provide the power to either of these. FEATURES: Yields Increased Power and Speed. YOU WILL RECEIVE: One High Torque Servo with J style connector. REQUIREMENTS: Mounting into vehicle. SPECIFICATIONS: Length: 1.6" (40.5mm) Width: .8" (20.5mm) Height: 1.43" (36mm) Torq: 80 oz/in Weight: 1.58oz (45g) ir/kh &