You have the only known G35 running KW coilovers. You may or may not gain from attempting to set the compression and rebound damping. If you wanted to try go here find out how to do it right and skip to page 13
http://www.koni-na.com/pdfcatalogs/K...ortCatalog.pdf

Here are your specs in case you wanted to know your spring rates.

KW coilovers Variant's 1,2&3
Monotube construction,
V1=non adjustable dampning,
V2=adjustable damping,
V3=separate adjustability for compression damping AND rebound damping and is the only product of it’s kind at this time.
Spring rates Front 485lbs to 525Lbs Rear: 240Lbs to 548Lbs (progressive springs)

 

Right I probably am one of the few that do have them, they work really good if anyone has tried them. My car is missing an engine so when I gtet it all up n running I will try this out. Thanks, their site didn't have very good instructions this is much better is this for KW or koni though?

 

http://www.automotiveforums.com/350z/

here's someone else using them

not the only one now

 

He's one of around 3 350Z's that I've know about that are running the KW's, you remain the only known "G35" running them that I know of.