I have a JPI EDM 700 engine analyzer that's for sale. Installed on a Continental TSIO-550-B Engine. The unit manufacture date: 1997, but only has 50 hrs of use time. Includes 6 cht probes, 6 egt probes, 2 TIT probes, and wire harness.  Works and looks perfect.  $700 shipped.
 
Thanks,
Guy Foreman
321-626-7699 cell