These are the circle track springs.They are new
are adjustable for near stock ride height or about 2" lower
will improve ride and handling..not harsh at all
$200 obo + the ride
PN 4529414
0778
previous owner purchased these from Firm Feel
if they move,they can probably be rebuilt without spending much.
....saving a couple of hundred.Just try air pressure and see
if they are free or frozen