The coil overs would replace the stock Spring and Shock and utilize the factory spring bucket on top. They are designed to fit first gen's.
Here's a link for a visual:
http://www.jegs.com/cgi-bin/ncommerc...69&prmenbr=361
And one alternative mentioned:
http://www.jegs.com/cgi-bin/ncommerc...61&prmenbr=361
Thanks!
Joe