The SpeedTek RC CNC Aluminum Air Velocity Stack 30mm Fan Shroud helps to funnel more air into your ESC or motor fan. This machined aluminum 2-piece velocity stack features a lower base, and screw on upper stack design that creates a venturi effect to flow more air, and help reduce operating temps.
 
Includes:
1 x SpeedTek RC CNC Aluminum Air Velocity Stack 30mm Fan Shroud (Black)
1 x Hardware