stupid... lol couldn't resist. I know you're asking for the front, but just an fyi in case you didn't already know, there is a difference between the spring rates of the left and right rear. Found this about the rear while looking for you "in ford racing F-300/465,LH180,RR180/350 EIBACH DRAG SPRINGS" I'm going to keep looking though, seems like not many people have that answer and i'm curious myself