That mount will not fit the Xterra or Frontier, is was designed for the old style Pathfinder/Hardbodies. FYI: The link is currently dead since the new home page is up and the new site is being completed.
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Fellow X'er,
Todd Frank aka FSRBIKER

"Not all Trails have a Bypass"
www.Extreme4x4Parts.com
 sales@Extreme4x4parts.com