Just as title states, I'm selling mine and a G sedan owner is curious, thanks in advance

 

yes

 

Yes they will bolt on and install, IMO however V35 Jics would be a better choice, sorry to say unless the sedan owner in question is willing to toss the 12Kg rear springs in favor of something softer especially if you have the progressive 10Kg setup, like 8Kg linear's.

Jic Flta-2 350Z fitment (Monotube construction, adjustable dampning)
Full-length adjustment and height adjustment for separate setting of the height and spring preload
Spring rates560/672
Stiffer then oem by F+78% R+98%

Jic Flta-2 G35 sedan (Monotube, adjustable dampning)
Full-length adjustment and height adjustment for separate setting of the height and spring preload
Spring rates 504/392
Stiffer then oem by F+61% R+15%