I bought Dennis Quellas Koni shock/spring combo for the street and am very happy. They have a nice firm feel but not too harsh. The car has been lowered about 1-2" and the rear lower A arms are parallel to the ground as they should be. Also, when driving on undulating or slightly bumpy pavement, it's clear that the tire contact patch is going into bump but returning back to the pavement quickly like my race cars did. Check them out, and Dennis is very good about sharing his knowledge.
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