This used pair of Kei office's for the front are available. Good shape, no leaks. Damper adjustable, pillow top mounts, camber plates, spring and base height adjustable.
Those coil overs are designed by the legendary Keichi Tsuchiya. Made in Holland, assembled in Nagoya Japan. This model is no longer available new. The replacement is the well known DG5. DG5 is used on the majority of D1 pro cars these days.