Feature: 1. Front Rear Covers And Copper Wire Coil: CNC machining 6061 T6 aluminum front and rear covers. High purity high temperature resistant copper wire coil, effectively providing high efficiency. 2. Motor Features: 3660 brushless motor adopts 4 pole 12 slot high torque rotor design, and it has strong torque and stable output power. 3. Output Shaft and Bearings: High toughness stainless steel output shaft and high accuracy bearings create super durability for the motor. 4. Stable and Reliable Performance: Excellent startup, acceleration, and linear features. Rich programmable projects. 5. Multiple Protection Functions: Low voltage cutoff protection, overheat protection, and throttle signal loss protection. Specification: Item Type: 3660 Brushless Motor Set Motor Parameters Shell Material: Aluminum Alloy Color: Black And Red Motor Size: Approx. 36x60mm / 1.42x2.4in (Excluding Cables And Shafts) Power: 1200W Maximum Speed: 50000 Maximum Voltage: 112V Maximum Amperage: 100A Rotor Magnetic Pole: 4 Shaft Diameter: Approx. 5mm / 0.20in Shaft Length: Approx. 15mm / 0.59in Connector: Approx. 4mm / 0.16in Gold Head (Male) ESC Parameters Shell Material: Plastic Color: Black Product Size: Approx. 53x37x38mm / 2.09x1.46x1.50in (Excluding Cables) Power Plug: T Male Continuous Current: 80A Peak Current: 480A BCE Output: 6V/5A Recommended Batteries: 2-4 Cells Lipo/4-12 Cells Nimh Servo Parameters Shell Material: Aluminum Alloy Color: Red Product Size: Approx. 55x43x20mm / 2.17x1.69x0.79in Working Voltage: 4.8-7.4V Pulse Width Range: 500~2500usec Neutral Position: 1500usec Number Of Teeth: 25T No Load Speed: 0.24sec/60degree -0.17sec/60degree Peak Stall Torque: 29.5kg.cm -32kg.cm Deadband Width: 5usec Operating Angle: 180 Degree ± 3 Degree (500-2500usec) Applicable Model: 1/8 RC Car. Package List: 1 x Motor 1 x ESC1 x Servo1 x Metal Servo Arm 5 x Plastic Servo Arm 7 x Screw 4 x Screw Cylinder 4 x Damping Pad 1 x ESC Programming Card