The original brushless motor and 29-L water cooling jacket is designed to provide both quality and performance at an affordable price. The motor is designed with high power and high rotation speed, the water cooling jacket helps the motor run for longer time. Suitable for 600-800mm RC boat.Features:1. 4 Pole 12 slot high-torque design.2. CNC machined 6061-T6 aluminum billet heatsink.3. High purity copper windings maximizes efficiency.4. Precision balanced rotor, for smoothness, best reliability and maximum RPM.5. Precision design for maximum energy conversion.6. Water cooling jacket is equipped with inlet and outlet fittings.7. Black anodizing treatment for durability, corrosion resistance and exquisite appearance.Specification:Condition: 100% Brand NewItem Type: RC AccessoryMaterial: Metal + Electronic ComponentsColor: BlackWeight: Approx. 253gApplicable Product: for 600-800mm RC BoatMotor:Brand: RocketItem Name: Brushless MotorKV (RPM/Volt): 3800KVRPM: 60000Watt: 1800WCharge Current: 2.2AMaximum Voltage: 17VDiameter: 29mm / 1.14inchLength: 68mm / 2.68inchShaft Diameter: 4mm / 0.16inchConnector: 4mm Banana PlugWater Cooling Jacket:Item Name: 29-L Water Cooling JacketMaterial: AluminumColor: BlackApplicable Product: for 2958 / 2968 Brushless Motor of RC BoatOutlet Fitting Diameter: 4.5mm / 0.18inchInner Diameter: 29mm / 1.14inchOuter Diameter: 37mm / 1.46inchLength: 51mmPackage List:1 * Rocket 2968 3800KV Motor1 * 29-L Water Cooling Jacket