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 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 New Item Type: RC Accessory Material: Metal + Electronic Components Color: Black Weight: Approx. 253g Applicable Product: for 600-800mm RC Boat Motor: Brand: Rocket Item Name: Brushless Motor KV (RPM/Volt): 3800KV RPM: 60000 Watt: 1800W Charge Current: 2.2A Diameter: 29mm / 1.14inch Length: 68mm / 2.68inch Shaft Diameter: 4mm / 0.16inch Water Cooling Jacket: Item Name: 29-L Water Cooling Jacket Material: Aluminum Color: Black Applicable Product: for 2958 / 2968 Brushless Motor of RC Boat Outlet Fitting Diameter: 4.5mm / 0.18inch Inner Diameter: 29mm / 1.14inch Outer Diameter: 37mm / 1.46inch Length: 51mm Package List: 1 * Rocket 2968 3800KV Motor 1 * 29-L Water Cooling Jacket Package List