Up for sale is KOSO 4.5" SPEEDOMETER FITS 04-13 MODELS . This will fit 2009-2010 Harley-Davidson FXDFSE CVO Dyna Fat Bob . The vendor part number is KOSBA072100 . Please read TITLE carfully to know what you are getting. Catalog desction�. The 100% plug and play HD-05 series for 4 �� gas tank mounted models features a tach and speedo combo with a programmable shift light with gear indicator. This gauge also features vital readings such as engine temperature and battery voltage along with average fuel economy and a complete system of indicators to monitor your bikes vital signs. This plug and play kit fits directly into the stock harness and works directly in relation with your bikes CAN BUS system.