For modelers who run long packs or push high current, the 3Racing Gold Extended Motor Heat Sink with Fan is tailored to 540 motors to cut down heat soak and keep output steady. The combined fin surface and fan give better airflow across the can.
The fan assists the fin stack to move heat away quicker than passive sinks, which is useful for sustained track laps or bashing sessions. The gold coating adds corrosion resistance while keeping weight low.
Installation is straightforward on most 540-size motors and the mount points are engineered for a snug connection. A proper seat on the motor can ensures efficient heat transfer and stable operation.
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