Item Type: Electric Motor Heat Sink_x000D_Material: Aluminum Alloy_x000D_Weight: Approx. 13g / 0. 5oz_x000D_Color: Black, Green (Each)_x000D_Compatibility: Suitable for 180 Brushed Motors 1Universal Compatibility: Suitable for Traxxas TRX4M 1/18 RC cars and other remote control cars with 180 brushed motors, making it a versatile choice for RC enthusiasts. 2Aluminum Construction: Made with aluminum alloy material, this motor heat sink offers fast heat dissipation, lightweight design, and long lasting durability. 3Effective Cooling: By keeping the motor cool, this motor heat sink allows for more efficient motor operation, enhancing overall performance. 4Improved Performance: With effective heat dissipation, this heat sink helps to prevent overheating and ensures optimal motor performance. 5Easy Installation: Designed for convenience, this heat sink is easy to install and provides excellent heat dissipation performance.