FRONT Weight Jacker Kit with 950-pound Eibach springs. Used (unsure of mileage, my odometer doesn't work) on an autocross car for 20 years. No issues, just went with something different on my car .

One spring lost a battle with brake fluid so some of the paint has peeled off or bubbling, but other than that, it functions fine.

Easy adjustable ride height -- use 1/2" ratchet or breaker bar with a long 1/2" extension, put the extension through the lower control arm and into the threaded weight jacker rod, and turn. Righty -- raises; lefty -- lowers.

They are super easy to install -- make sure the perch is "lowered" all the way (as pictured), and you don't even need a spring compressor. Tighten up the lower control arm, and adjust the ride height (easier to do with a wheel in the air so no tension on the spring).

Asking $175 plus shipping (box weighs 32 pounds, 20X16X9, shipping from zip code 21077).