Won't be a straight fit if they're rear true coilover design. Have a look here: http://www.cyberspee...products_id=212
You need the rear toe arms with them too as you're getting rid of the OEM mid links where the spring holders is.
Look here: http://www.splparts.com/spl-titanium-rear-toe-links-350z-g35/
Only this from what I remember:
http://www.torquesolution.com/product-p/ts-tm-350.htm
Edit:
or this:
https://www.z1motorsports.com/z1-products/z1-motorsports/z1-motorsports-350zg35-urethane-transmission-mount-p-6527.html
you would.....i am surprised you not selling them too.
Bob, you should know by now that body kit parts are not my thing, there will always be problems with fitting or quality, specially on replica and cheap stuff. TORQEN is about performance