@WhiskeyHotel: Thanks for your reply. I read your post in the other thread, so you're one of the guys telling Nismo ride is higher.
How come there's no drop at all? Info from Nismo itself state a drop of 0.4", and nothing else but 0.4".
Can it be a "wrong" install perhaps? Is there something that can go so wrong at all?
Why didn't you try to give it back (did you?)- it's not doing what it should: drop your car. Did they tell you what could be the problem?
Damn - I don't want to order the stuff from US for ca. € 1600,- (w/ tax etc.) and rise my car in the end!