Here's a photo of a BLACK 30mm V2 on a YOKOMO PRO4D

Air Funnel Fan Shroud / Velocity Stack Aluminum Anodized Mount Cover (VER 1) [Eagle Racing]
Version 1
AL Air Funnel :For 30X30mm Fan
Size IN28.5XOUT43.8XT10mm
Net Weight 4.3ｇ
Aluminum Air funnel  (cooling fan optional) Designed to image of the real carburetor's air funnel, With this shape it is possible to make efficiently and improve the cooling effect such up a lot air flow of the cooling fan.
Accessories parts:
3x16mm
3x14mm screw,
M3 nuts each 18 pieces.