I picked up a set of used JIC springs for the rear of AE86 at the importers along with some dampers. The dampers are what I wanted so now the springs are for sale.
The have been professionally rate tested at 320lb/in (or 5.7Kg/mm) linear (constant) rate springs. Free hieght is about 230mm.
Pic available.
I want $80.
Your in SA: then 80 you pick up.
Your interstate: you pay freight.