FWIW Mate, It's a stocker that someone has machined up a threaded sleeve for the body and a finned one for the gas cylinder. If you look closely at it you'll see the circlip that retains the OEM collar and the clicker knob is stock. Pluss who would do this and use the standard rubber hose? It may have been modified internally who knows, but you could do these same mods to your own shock