Feature:1. 4 POLES MOTOR: 4 poles high torsion rotor, with strong torsion and stable output power. High toughness stainless steel output shaft and high accuracy bearing make motor super durable.2. APPLICABLE: Special designed for 1/14 1/16 RC cars, such as for HSP, for Traxxas, for WLtoys, for HPI, etc. Easy to install and assemble, provide stable performance.3. HIGH EFFICIENCY: CNC machining 6061 T6 aluminum front and rear cover, high purity and high temperature resistant copper coil, effectively providing high efficiency.4. STABLE AND DURABLE: High performance components make it waterproof, dustproof and durable. Strong resistive current capability and good heat dissipation.5. PARAMETERS: 4 rotors, aluminum alloy housing, with 3.5mm gold male connector, the maximum speed is 50000RPM, the maximum voltage is less than 9V, the maximum amperage is 68A.Specification:Item Type: RC Brushless MotorShell Material: Aluminum AlloyWeight: Approx. 111g / 3.9ozColor: Black RedMotor Size: Approx. 28x40mm / 1.1x1.6in (Excluding cables and shafts)Watts: 600WMaximum Speed: 50000RPMMaximum Voltage: < 9VMaximum Ampere: 68ARotor Pole: 4Shaft Diameter: 3.175mm / 0.13inShaft Length: 15mm / 0.6inConnector: 3.5mm / 0.14in Gold Head (Male)Applicable: For HSP, for Traxxas, for WLtoys, for HPI and other brands, for 1/14 1/16 remote control car.Package List:1 x RC Brushless Motor