Sully,
You may want to call Classic Muscle. They advertise about exact springs. I've bought a lot of parts from them in the past. Here is their toll free number: 1-800-722-4828. Their web address is:
www.oldmusclecars.com
Give them a try. I bought my leaf springs from them.
Ron [img]/ubbthreads/images/icons/grin.gif[/img]