I think discount tire's spring thread (
Eibach Springs and Suspension systems ) just solved my mystery as to why I got such a drastic change when I installed the sport springs. I believe now that Kappasphere only sells the N/A version spring set. It is the only one I still see on thier site and matches the drop listed on the attached threads measurements for the N/A model. I have the wrong ones.

The GXP versions may not have been available when I bought them, I don't know but good to know for all interested.
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DEEP, GT CONCEPT KIT,RK SPORT RAM AIR HOOD, RAZZI WING, UP-SHIELD, EIBACH SPRINGS(1.7”R), DEJON CAI AND I/C PIPES, CUSTOM EXHAUST,CUSTOM PAINT AND GRAPHICS, RMR STYLE BAR, LED AND ACCENT LIGHTS, CUSTOM GAUGE FACE, DASHHAWK UNIT,Premium package w/leather, A/C, Auto, 18" chrome wheels, 6-disc audio w/monsoon 7, spoiler, sport pedals.
"BLUE DEMON"
"For those who fought for it, FREEDOM has a flavor the protected will never know"
Former WCKCC member. Now MKC member.