Fits Nissan 350Z and Infiniti G35 and Infiniti G35 Coupe. Unopened box.

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were you able to get the alignment back to spec with these. i can't decide between these or the g35 h-tech's

 

Yeah, no problem at all. It's a very slight drop. Do you have the G35 sport suspension right now? If so, I believe the G35 H Techs are actually softer than those. The 350Z H Techs are a bit stiffer than the G35 sport, but still have a smoother ride and better control around bumpy corners than the G35 sport.

 

are these the same as g35, or is there a difference between the 350z and the g35c ones?

 

the g35 ones softer and sit a little higher than the 350z ones.

 

Fitment is the same, but as John6MT mentioned, the G35 ones sit a bit higher and are a bit softer. Since the Tein H-Techs are already relatively soft with a modest drop, it appears on this board that the majority of G35 owners choose the 350Z version of the Tein H-Tech springs.

You can search around, but I remember reading in one of the threads that the G35 H-Tech springs were actually softer than the optional factory G35 sport springs.

 

g35 coupe H-tech has crappy spring rates and a barely-noticeable drop

If you want to get your money's worth for springs+install+alignment, i'm assuming you want the drop to be at least noticeable, so get the 350Z H-techs

The only thing is my alignment are both off by 0.1 degree F+R, and my offsets aren't even that aggressive.. just fyi