how much do these lower the sl?

http://www.3sx.com/store/comersus_viewItemBundle.asp?idProduct=24402

i no i no i no, there the cheaper ones, but hey, i work part time stocking at heb and i cant really afford anything else right now. r these an ok buy? how much is my car lowered, u can control the dampeing but does that cotrol the height, sry if i sound likea noob, peace.

I dont honestly no that much about coil overs but yeah you can make it as high or low as you want.. I wouldn't get them from 3sx though..
http://supercar-engineering.com/sc2/product_info.php?products_id=195