Bendix/King KCS55A HSI and compass system. Condition is "Used". Includes DAC GDC 31 GPSS, Garmin mode switch, King slave selector and King KMT 112 flux valve. HSI O/H 2 years ago. All removed from 1994 F33A two months ago. All applicable connectors included. Shipping included. Working when removed....A/C has 1450 TT.