On my 350Z i used the SPC, looks like there is a set for the 370Z as well. Not sure if you will DIY, but will need a dremel/rotary file to elongate the cam bolt slot on the chassis. There is probably a how-to-thread somewhere on this forum:
SPC Application Search - Product
Before I went with the SPC, I went cheap with Kinetix front and rear. very disappointed with poor quality and threw them away.
Good luck with this, you have the tough part behind you - understanding the basics of what is required to properly mod your suspension.