This is the optional Team Integy Twin Motor Cooling Fans with Heatsink
in Blue.
FEATURES: For 540/550 size brushed motors
One fan is mounted to heatsink and the other is mounted to a bracket
and faces motor at an angle
Two red 2-pin power connectors
INCLUDES: Team Integy Twin Motor Cooling Fans with Heatsink
REQUIRES: Installing heatsink around motor and connecting power leads