I have one of the original kits, not sure if they changed with time. Personally, after 5 years, I really enjoy them. That said, the only unique part of the kit are the mounts and a few bushings/sleeves. Anyone with a torch and welder can modify the strut housings, and the Eibach springs and threaded collars can be purchased by anyone. FWIW, I am having three sets of the front mounting plates made, as my originals are pretty much done for.