The ones in the picture are the Sun Line wings, the picture you posted is the wing for the 350Z.
*Taken from their site*
● Our 3D (3 dimensions) design generates significant down force without increasing much aerodynamic drag
● Three widths are offered ; 1,400mm, 1,500mm, or 1,600mm. The pictures are taken with the 1,600mm wing.
● Several height choices are offered from 195mm to 275mm. (195mm, 225mm, 245mm, and 275mm). The picture is taken with the 245mm height bracket on 350Z.
● Available in wet carbon or dry carbon