Mazda Roadster Genuine Rigid Antenna Base for Radio NA6, NA8, NB6-8 (or all NB)

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Mazda Roadster Genuine Rigid Antenna Base for radio, also used for conversion to the short antenna. Also used for conversion to our short antenna on models with electric antenna.

Please make your order at http://www.kenautojapan.com/?pid=1646922

For my car with a power antenna base, would this completely replace the antenna mast, and work with my short stubby antenna?

Yes you would have to completely replace the antenna mast.