Feature 1BRUSHLESS MOTOR: This RC car brushless motor is blue color, KV value is 3900KV. Easy to use and easy to replace. 2TORSION AND WORKING SPEED: The RC motor kit has the servo whose torsion is 1.8 to 2.2KG.cm(6V) and working speed is 0.14 to 0.16s per 60(6V). 3ESC: This RC car motor kit has the ESC whose working voltage is DC5.5 to 9V, rated voltage is 7.4V, continuous current is 25A, peaking current is 50A. 4APPLICABLE MODELS: RC car brushless motor servo ESC kit is applicable for SG1603 SG1604 SG1607 SG1608 and other 1/16 RC cars. 5ALUMINUM ALLOY AND PLASTIC: This RC car brushless motor ESC servo kit is made of aluminum alloy and plastic material, more sturdy and durable.Item Type: Remote Control Car Brushless Motor Servo KitMaterial: Aluminum Alloy, PlasticBrushless Motor ParametersColor: BlueMotor Size (Without Shaft And Cable): Approx. 24 x 35mm / 0.9 x 1.4inKV Value: 3900KVESC ParametersOperating Voltage: DC5.5-9VRated Voltage: 7.4V (2s)Continuous Current: 25APeaking Current: 50AServo Parameters:Torsion: 1.8-2.2KG.Cm (6V)Working Speed: 0.14-0.16s/60 (6V)Applicable: For SG1603 SG1604 SG1607 SG1608 And Other 1/16 RC Cars .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x BrushlessMotor1 x Brushless ESC1 x Servo1 x MotorHeatSink3 x Tie2 x Screw1 x Manual