I recently completed an avionics upgrade, where I now have the above listed items for sale. The transponder and indicator were working fine when they were removed. Transponder was last bench tested in April of 2021. The Bendix/King GPS had some screen issues and worked intermittently. Pics available upon request. I can provide further details if need by. Make an offer for any of the items, as I plan on posting them on Ebay if no responses here.