Feature: 1. Unique Design: The rotor design with 4 poles and 12 slots of high torque has low friction, low noise, high precision, strong torque and stable output power. 2. Durable: Detachable structural design for easy cleaning and maintenance, explosion proof rotor, high toughness stainless steel output shaft, high precision bearings for long service life. 3. Material: High hardness aluminum CNC shell, high temperature resistant copper coil, 0.35mm thickness silicon steel sheet, high permeability, silicon content, good insulation. 4. Heat Proof: The motor has a built in temperature sensor and interface, and can be combined with the electronic speed controller (not included) to achieve the motor overheating protection function. 5. Wide Application: Universal fit, 3.175mm shaft out, suitable for all 1/10 brushless RC cars, M3 screws and a variety of mounting methods applicable. Specification: Item Type: RC Brushless MotorMaterial: Aluminum alloy, copper, steel .Color: Black and red KV: 4500kv RPM per Volt Output Power: 1400W Maximum Voltage: <13V Maximum Current: 108A Motor Pole: 4 IO: 4.5A Resistance (Ω): 0.0092 Maximum Speed: 60000 Motor Diameter: Approx. 35.8mm/1.41inMotor Length: Approx. 58mm/2.28in (without shaft)Shaft Diameter: Approx. 3.175mm/0.13in Shaft Length: Approx. 15mm/0.59inFitment: Suitable for all 1/10 brushless RC cars Package List: 1 x Brushless Motor4 x Screw1 x Manual Note: 1.Please allow 1‑3mm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.