Garmin Thru-Hull Mounting Kit for GST/GDT 43 Colour:Default Simply fit the Expanda Track

Simply fit the Expanda Track to any surface you like then connect a RAILBLAZA StarPort StarPort HD (relevant TrackMount Kit required) or MiniPort to hold your choice of accessory

Built-in Garmin Quickdraw Contours mapping software

Rotating platform for mounting fishfinder

See it move in relation to structure in the water

33 kHz & 200 kHz broadband

Garmin Thru-Hull Mounting Kit for GST/GDT 43 Colour:Default Simply fit the Expanda TrackReplace your transducer housing without having to replace the entire transducer with this mounting kit. It includes the thru hull fitting nut o ring locking spring and dummy unit. Make sure to follow the directions so you don\'t damage your boat.