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Fish Hawk 840 to X4 Upgrade Kit


Fish Hawk 840 to X4 Upgrade Pack

Upgrade your old Fish Hawk 840 Thermo Troll to a new X4 System. Kit includes the X4 Display and X4 Probe. The Fish Hawk X4 offers double the performance and uses the same transducer and power cord as the 840 – meaning you don’t need to re-wire anything on the boat, the X4 plugs right in!

If you have an older 840, this is the least expensive way to buy the X4 Probe and LCD Display.

  • Includes X4 LCD and Probe
  • Plugs in to 840 transducer and powercord
  • Made in USA
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