The Tamiya 53399 Aluminum Motor Heat Sink suits electric RC cars using 540 or 550 motors. The blue anodised aluminium body with nine fins increases heat dispersion so the motor stays cooler during sustained use.
To fit the Tamiya 53399 heat sink, push it onto the motor can until it seats. Check that there is sufficient clearance inside the motor bay and that the mount does not contact nearby parts. This item is not compatible with Tamiya TA03, M03, or FF02 chassis models.
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