ESCORT 86-90 w/o integral AC. WITH OUT INTEGRAL A.C. Used. EXP 86-88 w/o integral AC. LYNX 86-87 w/o integral AC. This system was designed as a benchmark with certain understandings. The item is used, and most likely will NOT be perfect even if listed in grade A. For example, a part can still be grade A with normal blemishes such as surface rust, scratches, etc.