Amazon.com: Powerhobby Motor Cooling Fan/HeatSink Dual Twin Fan + Velineon VXL-3s ESC Cooling Fan Combo Blue Compatible with Traxxas Slash 4x4 : Toys & Games
Cooling Fan Kit (Velineon 3500/ 540XL) (Need Heat Sink #3458 - RC Sweden AB
Radio Control & Control Line Powerhobby 1/10 Aluminum Brushless Motor Cooling Fan Blue Traxxas Velineon 3500 Engine, Exhaust & Fuel Systems RC Model Vehicle Parts & Accs
Traxxas Heat Sink For Velineon 380 Brushless Motor. Blue Aluminum #3374 - Hobby Time RC