KV(RPM/Volt): 1030KV. KV(RPM/Volt): 2500KV. Rocket 4068 Waterproof Brushless Motor 2650KV 2050KV 1900/1700KV for 1/8 RC Car. Rocket 3660 Waterproof Brushless Motor 4300KV 3800KV 3300KV 2600KV for RC Car.
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