ehh, guess the only got the prokit, well anyways here are some springs iv heard decent things about for s-chassis
http://cgi.ebay.com/ebaymotors/SPRINT-Lowering-Springs-95-99-Nissan-Maxima_W0QQitemZ8029085338QQcategoryZ33582QQrdZ1QQcmdZViewItem
or be a baller and save up a lil cash