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![Hobbywing EZRUN - Heat Sink with Fan for 3660,3674 Motors HW86080120 C - Picture 1 of 1](https://i.ebayimg.com/images/g/JoEAAOSw8lZfMnXj/s-l500.jpg)
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![Hobbywing EZRUN - Heat Sink with Fan for 3660,3674 Motors HW86080120 C - Picture 1 of 1](https://i.ebayimg.com/images/g/JoEAAOSw8lZfMnXj/s-l500.jpg)
Couldn't run my helion four 10tr with 3s because motor gets too hot, now I don't have any problems with 4s
Verified purchase: Yes | Condition: New
Well, it’s pretty good , only down side is that it is the same sized fan on the heat sink as the 1/8 and Sadly for the car I wanted it for there is not enough room underneath the shell for this too fit.
Verified purchase: Yes | Condition: New
Very happy with purchase and does the job cools the engine down allows mow running time
Verified purchase: Yes | Condition: New
Really nice item and keeps the motor nice a cool. Spot on😃😃
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
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