1、F540 4370KV Motor 60A ESC: Precisely balanced rotor, best smoothness and high reliability. 2、Aluminum Housing: CNC machined 6061 T6 aluminum housing, which can provide faster heat dissipation. 3、Improve Efficiency: High purity copper windings maximize efficiency and achieve maximum energy coverage. 4、Strong Compatibility: 4 pole 12 slot high torque motor design, universal type, suitable for all 1/10 brushless RC car. 5、With RC ESC programming card: ESC can be programmed according to requirements, and the playability is higher. Item Type: F540 4370KV Motor +60A ESC set Weight: Approx.291g/10.3oz Material: Aluminum Alloy+Plastic Color: Red + Black KV Value: 4370KV（9T） Motor Size: Diameter: Approx. 36mm/1.4in Height: Approx. 50mm/2.0in (Excluding Shaft Length) Shaft Length: Approx. 15mm/0.6in Shaft Diameter: Approx. 3.175mm/0.1in Wattage: 820W Maximum Current: 66A Maximum Speed: 50000 RMP ESC Parameters: Continuous Current: 60A Maximum Current: 320A BEC Output: 5.8V/3A Product Applicable Battery: 2-3S Li-Po / 4-9S Ni-Mh Ni-Cd (not Included)Programming Card Parameters: Colour: Black Material: Plastic Start Up Method: Medium Soft and Strong Neutral Range: 9%, 6%, 12% Working Status Maximum Reverse Force: 25%, 50%, 75%, 100% Maximum Braking Force: 50%, 25%, 75%, 100% (25A, 35A, 45A, 60A) 25%, 50%, 75%, 100% (80A, 120A) Application: 1/10 RC Car 1 x Motor 1 x ESC 1 x Programming Card 1 x Manual