Hydraulic clutch on 86 CJ

I have been looking around and found a site about setting up a hydraulic clutch on my 86 258/T5 from parts from a 4 banger cj of the same vintage, sound like a great idea, problem being the wrecking yards are bare for these parts, so I called my local Daimler Chrysler dealer, you know them, the ones with the really pricey Jeep parts,behold my surprise almost 1000 Canadian dollars. 778.00 plus 15% tax for a master cylinder,slave cylinderand hose. way to much for my tastes. I would suspect they would most likely be GM orFord parts anyway,
has anyone out there done such a swap, and know what vehicles to search on for parts to narrow things down a bit, thanks all for any help.
Tommybear 86 cj 2on the body, 2 on the springs runnin 295 bfg's(with 3.31s, and it runs pretty good)