Quote:
Originally posted by Motion500
As the head engineer at Progress Auto Group told me, "A good spring will never sag from the day it is installed..."
I put the Progress Sport Springs on mine 3 years ago, 1.7" drop then, 1.7" now.
Compared with all the other springs my friends have, these are by far the most comfortable.
My two cents...
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I have Eibach Sportline and they are have not sagged at all either.

No wheel gap and the drop looks the same as it did on that first day.