GoolRC 4274 2200KV 4 Poles Sensored Brushless Motor for 1/8 RC Monster Truck Bigfoot Car, which has high purity copper windings and CNC machined 6061 T6 billet aluminum heatsink can. It will greatly improve the efficiency and stability of the running car. <br><br><strong>Features:</strong> <br>4 Pole 12 Slot Hi-torque Motor Design        <br>CNC Machined 6061 T6 Billet Aluminum Heatsink Can        <br>High Purity Copper Windings Maximizes Efficiency        <br>High RPM ABEC5 Oversized Bearings        <br>Precision balanced rotor,smoothness for best reliability and maximum RPM        <br>Stator - Super Thin (0.2mm) Laminations        <br>Removable/Replaceable Rotor        <br>Precision Engineered for Maximum Energy Conversion <br><br><strong>Specifications:</strong> <br>Product: 4074 <br>KV(RPM/Volt): 2000 <br>Max voltage: 25V <br>Max amps: 115A <br>Max power(W): 2800W <br>Item weight: 276g <br>Item size:74 * 40mm <br>Winding type: WYE <br>No load current: 2.3A <br>Max RPM: 50K <br>Shaft: 6.5mm <br>Length of  extend shaft: 20mm <br>RotorPoles: 4 <br><br><strong>Package Information:</strong> <br>Package size: 9.5 * 8 * 6cm / 3.8 * 3.2 * 2.4in <br>Package weight: 308g / 10.1oz <br>White box package <br><br><strong>Package List:</strong> <br>1 * 4274 2000KV Motor