Hey Tom,
Thats a nice Willys, love that color, are you a Minnesota gopher fan???
I did what the other guys told you with one exception, I had to take my rears apart to adjust the springs, I added a recurving spring to the back on the driver side to eliminate the lean. What I found is that if you take them apart, make sure you have the right size replacement bolt ahead of time. I got new bolts in the kit with the new spring, but it was too large of a diameter, and you won't drill out a spring, that I can guarantee!!