High Capacity Cooling Coil, 1-3/8 x 1-1/4"

High Capacity Cooling Coil, 1-3/8 x 1-1/4"

If you cool your race boat electric motor you can use higher voltages (more nicads) and larger props to go much faster! Cooling the motor is the number one way to increase speed. The cooling coils self-clamp onto the motors.