This specially formulated heat transfer grease improves the efficiency of heat transfer to your ESC and motor heat sinks. This is the same thermal grease that is included with Novak 1/8-scale Conversion Kits, Novak 550-size Motor Heat Sink (#5051) and Novak 540-Size Motor Sleeve Heat Sink (#5413-5415). In addition, the thermal heat transfer grease comes in an easy-application syringe.