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 Motor Shell Material: Aluminum Alloy Weight: Approx. 111g / 3.9oz Color: Black Red Motor Size: Approx. 28x40mm / 1.1x1.6in (Excluding cables and shafts) Watts: 600W Maximum Speed: 50000RPM Maximum Voltage: < 9V Maximum Ampere: 68A Rotor Pole: 4 Shaft Diameter: 3.175mm / 0.13in Shaft Length: 15mm / 0.6in Connector: 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