HyperFlow Fans Aluminum 40mm High Speed 4s RX RC Cooling Fan Spectrum 160 / 150 Hobbywing Max6.

Plug this straight into the factory fan plug on the ESC or run it on 4S for high power!

This kit includes everything you will need to mount to a Spectrum 150/160 amp or Hobbywing Max6 or any ESC equipped with a factory 35mm fan.