Tamiya 53399 - (OP399) - Aluminum Motor Heat Sink OP-399 田宮無線電遙控系統摩打&配件 雙星孖星  [53399]

That is an Optional Blue Aluminum Motor Heatsink for electric automobiles. This heatsink clips on the engine and dissipates temperature.

FEATURES:

• Blue anodized aluminum
• Nine heatsink fins

INCLUDES: One heatsink

NEEDS: Pushing onto any 540 or 550 size electric motor

REVIEWS: this can maybe not work with Tamiya TA03, M03, or FF02 framework vehicles.