Mounting Template and Dimensions for Humminbird Helix 8" G3N

This is the mounting template for the Humminbird Helix 8 G3 or Helix 9 G3. It shows you what size hole you need to cut when flush mounting the helix 8 and 9, both g3 or g2.Helix 8 G3N and Helix 9 G3 flush mount template and dimensions for in dash mounting