Don't see these too often ! Hopefully I can get the link right. http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=42606&item=2459372746 :beer
Not correct while this unit has the 67 knobs added to it and was possibly installed by a dealer it is not the correct unit for 67. Lear Jet was a popular supplier of 8 track players of that period. Pic of correct unit attached