Rocket Aluminum 29 36 40 56 Water Cooling Jacket Cover for RC Brushless Motor. It's designed for 2948 2968 3660 3670 3680 4074 4082 4092 RC boat brushless motor. The water cooling jacket is designed for 2948 2968 3660 3670 3680 4074 4082 4092 RC boat brushless motor.
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