Yeah Racing 540/550 Motor Aluminum Heat Sink w/30mm High Speed Tornado Fan (Red) Shrink tube (red) for identifying

Shrink tube (red) for identifying the positive side

improving motor efficiency

Input voltage: 4

Package includes one body

Yeah Racing 540/550 Motor Aluminum Heat Sink w/30mm High Speed Tornado Fan (Red) Shrink tube (red) for identifyingHeat Sink & Fan Overview: Keep your motor running cool and performing at its best with the Yeah Racing 540 550 Aluminum Heat Sink and 30mm High Speed Tornado Fan, an essential upgrade that combines aggressive cooling power with sleek, anodized style for serious RC enthusiasts. About the Heat Sink & Tornado Fan Supreme Heat Dissipation The Yeah Racing 540 550 Aluminum Heat Sink with 30mm High Speed Tornado Fan is a high performance cooling solution