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Works on:550/540 Size Electric Engine Motor,Compatible with most Traxxas, HPI, Tamiya, and Losi Electric Motors
HIGH Quality Aluminum ,KEEPS Motors Cool! Make your electric motor run more efficiently by keeping it cooler!
Pack of 2 ,Great Value
Produced By HobbyPark ,Well made and durable,100% New

Item: 550/540 Size Electric Engine Motor Heatsink
Package Include: 2x 550/540 Size Electric Engine Motor Heatsink