This aluminium alloy heat sink is an aftermarket cooling part produced by GPM for the Kyosho Mini Inferno platform, supplied as a 1pc set. It is designed to sit on top of or alongside a Mini Inferno speed controller to aid thermal transfer and reduce sustained temperature rise during extended runs on track or practice sessions.
Fit and installation are straightforward for hobbyists who service their cars: align the unit to the ESC's fins or flat surface, secure with the included screw to the ESC mounting or chassis tie point, and ensure there is no contact with motor wires or moving parts. The part is an RC-scale accessory intended only for model use, not for full-size vehicles.
From a tuning perspective, adding a low-profile alloy sink can help stabilise ESC thermal behaviour under heavy throttle cycles, which may allow more consistent motor timing and braking behaviour in hot conditions. Monitor ESC temperature after installation to confirm the sink makes a measurable difference in your setup and adjust airflow or mounting position as needed.
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