Check the listing for details. LK 2016 RC Boat Turbo JET with Brushless Motor and Water Cooling System -Black. Condition: New. Listed at 56.99 USD. Feature: Suitable part to make your own remote control boat. Equipped with motor, it provides RC boat with strong power. High quality material has long service life and durable for long-term use. It is light and flexible during operation. It's convenient and easy for you to install.​Specification: Material: Plastic + MetalColor: BlackSize: Approx. 5.75 * 1.25 * 1.5 inchWeight: 4.5ozType: RC PartPackage Includes:1 x Turbo Jet Type: BoatPart: LK 2838 4500 KV Brushless Motor Item in stock! Ready to ship from California. Suitable to use on RC boat.Best fit for boats under 15"K V(RPM/Volt): 4500 K V Max current: 50 A Max watts: 600 W Max voltage:Feature: Suitable part to make your own remote control boat. Equipped with motor, it provides RC boat with strong power. High quality material has long service life and durable for long-term use. It is light and flexible during operation. It's convenient and easy for you to install.​Specification: Material: Plastic + MetalColor: BlackSize: Approx. 5.75 * 1.25 * 1.5 inchWeight: 4.5ozType: RC PartPackage Includes:1 x Turbo Jet Type: BoatPart: LK 2838 4500 KV Brushless Motor Item in stock! Ready to ship from California. Suitable to use on RC boat.Best fit for boats under 15"K V(RPM/Volt): 4500 K V Max current: 50 A Max watts: 600 W Max voltage: <12 V IO: 1.8 A Rotor poles: 4 Resistance: 0.0285 Diameter: 28 mm Length: 38 mm Shaft length: 15 mm Shaft diameter: 3.175 mm Weight: 3.35 oz Sensor : No Description:Water cooling jacket for 2838/2835/2840/28mm diameter motors.Allow you provide water-cooling to a 28mm diameter inrunner motor. Made with heat resistant, anti degradant rubber Inner groove to provide exceptional water cooling A must have for RC boat.Best fit for boats under 15"Package includes: One water cooling jacket and one tube