Feature:1. 3660 Motor Features: 4 pole 12 slot high torque rotor design, with strong torque and stable output power.2. High Efficiency: CNC numerical control machining 6061 and T6 aluminum front and rear cover. High purity and high temperature resistant copper coil, effectively providing high efficiency.3. Durable: High toughness stainless steel output shaft, high accuracy and oversized bearings make the motor super durable.4. ESC Features: High efficiency operation, excellent start up, acceleration and linearity features. The continuous current is 80A. RC servo is 30kg.5. Multiple Protection Features: Low voltage cut off protection, over heat protection, throttle signal loss protection.Specification:Item Type: 3660 Brushless MotorWeight: Approx. 421g / 14.9ozMotor Parameters:Shell Material: Aluminum AlloyColor: Black, RedMotor Size: Approx. 30x60mm / 1.2x2.4in (Excluding Cables And Shafts)Watts: 1200WMaximum Speed: 50000Maximum Voltage: < 112VMaximum Ampere: 100ARotor Pole: 4Shaft Diameter: 5mm / 0.2inShaft Length: 15mm / 0.59inConnector: 4mm / 0.2in Gold Head (Male)ESC Parameters:Shell Material: PlasticColor: BlackSize: Approx. 53x37x38mm / 2.1x1.5x1.5in (Excluding Cable)Power Plug: T MaleContinuous Current: 80APeak Current: 480ABCE Output: 6V 5ARecommended Battery: 2-4 Cells Lipo, 4-12 Cell NiMhRC Servo Parameter:Shell Material: Aluminum AlloyColor: RedProduct Size: Approx. 55x43x20mm / 2.2x1.7x0.8inOperating Voltage: 4.8-7.4VPulse Width Range: 500-2500usecNeutral Position: 1500usecNumber Of Teeth: 25TNo Load Speed: 0.24sec/60-0.17 Sec/60Peak Stall Torque: 29.5kg.Cm-32kg.CmDead Zone Width: 5usecOperating Angle: 1803 (500-2500usec)Application: for 1/8 RC Car.Package List:1 x 3660 Motor1 x 80A Brushless ESC1 x RC Servo1 x Metal Steering Gear Arm 5 x Plastic Steering Gear Arm 7 x Screw 4 x Screw Cylinder 4 x Shock Absorbing Pad