Feature: 1. Motor Features: The brushless motor adopts 4 pole high torsion rotor design, which has strong torsion and stable output power. 2. CNC Machining: CNC machining 6061 T6 aluminum front and rear covers, high purity high temperature resistant copper coils, effectively provide high efficiency. 3. Super Strong Durability: High toughness stainless steel output shaft and high precise premium bearings make the motor super durable. 4. High Performance: Premium components make the components waterproof and dustproof, durable, strong resistive current capability, and good heat dissipation. 5. ESC Features: Built in high efficiency high power 5.8V 3A SBEC, enhanced throttle response, excellent acceleration, strong braking and super slippy and accurate throttle linearity. 6. Multiple Protection Functions: Lithium battery or nickel battery low voltage cut off protection, overheating protection, throttle signal loss protection. 7. Heat Sink: Our combination of heat sink and cooling fans controls your temperature, keeping your motors running efficiently and keeping them cool. Specification: Item Type: S3670 Brushless Motor Set Shell Material: Aluminum Alloy Gross Weight: 475g / 16.8oz Color: Red Motor Diameter: Approx.36mm / 1.4in Motor Height: Approx.70mm / 2.8in Axle Length: Approx.17mm / 0.7in Axle Diameter: Approx.5mm / 0.2in KV Value: 2650KV Rotating Speed: 50000 Maximum Power: 1600W Maximum Current: 86A Maximum Voltage: < 18.5 V Connector: Approx.4mm / 0.16in golden banana connector ESC Parameters: Continuous Current: 120A Top Current: 600A (10 seconds) BCE Output: 5.8V 3A Power Plug: XT60 plug Applicable Power Supply: 2-4S LiPo, 4-8S NiMh Heat Sink Parameters: Material: Plastic, Aluminum Alloy Color: Red Single Fan Size: Approx.30 x 30 x 10mm / 1.2 x 1.2 x 0.4in Operating Voltage: 5-6V Applicable: for Traxxas, for HSP, for HPI and other brands 1/8 RC crawler. Package List: 1 x Motor1 x ESC1 x Manual1 x Heat Sink