These fit FWDs L body Koni coil overs. They may work on other applications as well.
Eibach part number 0900.225.0300 these are 300lb rear spring for FWDs L body Koni coil overs. $65 shipped for the pair or pick up at SDAC for $55.
Eibach part number 0800.250.0400 these are 400lb front spring for FWDs L body Koni coil overs. $65 shipped for the pair or pick up at SDAC for $55.