I started this thread to show those looking to lower their 370z with springs how their car will look like with each brand. When I was searching for a set of lowering springs, it would have been nice to cross reference the available springs for the 370z. I've only managed to post up the more popular springs. Feel free to contribute what I have missed.
This is how your car will look like when dropped.
Stock
0.0" fr 0.0" rr
Eibach Pro Kit
0.9" fr 0.8" rr
Swift Spec R
1.2" fr 1.0" rr
Tein S-Tech
0.9" fr 0.7" rr
H&R Springs
1.3" fr 1.0" rr
Nismo Springs
0.4" fr .04" rr