The nissan 350z 2008 is too has lower bottom, it keep hitting the hump,
You need to modify car to extend the height by finding parts outside or its extendable from car itself ? And can someone please help me with right bottom height in front and rear both side, what should be the measurement?

 

Sagar, we would need to know what type of suspension is on the car before we can say anything intelligent.

Are they standard shocks and springs or did you or someone install coilover shocks? If you don't know, take a look at your shock assemblies (best representation on Z car is to look front shocks with wheel off.)

In the pic, we know the front shocks on a Z are not the one on the left. (Won't discuss the rear right now just to avoid over complicating.) The one in the middle is what you'd see on a stock Z. The one on the right is a coilover shock with the primary VISIBLE difference is the threading and adjustable collar on the outside of the shock body.

Generic pic, not a Z.

If you are having a hard time with this, take a pic and post it.

 

The ground clearance of a stock z should be ~4.75" from what google says. I'd go off around that height

 

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tein springs, not sure if they are s-tech or h-tech