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The width of the Curt Trailer Hitch Receiver # C15325 measured center of the left side bolt hole to the same center of the same hole on the right side measures 34-1/2". From the center of the furthest forward bolt hole to the center of the center bolt hole measures 4-7/8", and from the center of the center bolt hole to the furthest rearward bolt hole measures 9-1/2" as you can see in the included diagram.
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