Eibach Sportline

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MazdaSpeed Protege
does anyone have the spring rates for the Eibach Sportline and does anybody know if they are linear/progressive. i tired searching their website, this site, and google and was hopeless in getting spring rates. also there seems to be a split on weather the springs are linear/progressive. some says its progressive at all 4 corners while others say its linear in the front. thank you.
 
thanks. but thats where i'm confused. in another thread a member here posted pictures of his sportline and the front springs looked linear to me. i'll see if i can dig it up.
 
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