Efficient Cooling System: This RC Motor Heat Sink Cooling Fan is designed to prevent your RC car from overheating during intense use. Its advanced cooling technology enhances the motor's performance by effectively dissipating heat, ensuring your vehicle runs at optimal conditions. Perfect Compatibility: Specifically engineered for 18101 and 18103 1/18 scale RC cars, this heat sink guarantees a and performance. Its design ensures it integrates seamlessly with your model car, enhancing both functionality and aesthetics. Construction: Crafted from high-quality metal, the RC Motor Heat Sink is built to last. It withstands the toughest conditions, ensuring durability and reliability even during rigorous use. This makes it an ideal choice for hobbyists looking for long-term solutions. Compact and Efficient Design: Measuring just 3.4cm in length, this compact heat sink efficiently manages the motor's temperature without adding unnecessary bulk to your RC car. Its small size does not compromise its performance, making it an essential upgrade for all RC enthusiasts. Ready to Install Package: This package comes complete with an Engine Motor Sink Fin, making installation quick and easy. You can upgrade your RC car immediately, improving its performance and durability without the need for additional parts or prolonged downtime. Compatible Models: RC Cars 18101 and 18103 Material: Metal Color: Black Package Contents: 1* RC Motor Heat Sink Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.