Zodiac offers a complete line of precision built speedometers. All speedometers feature resetable trip mileage indicator, speedo to dash gasket and quality glass lens. These within OEM calibration quality built instruments are offered in 1:1 and 2:1 ratio with kilometers per hour or miles per hour scale. The 2:1 ratio works with all FL models 1947 thru 1967 as well as FL models 1981-1984 with front wheel driven speedometers and FX, FXR and Sportster models with front wheel drive speedo unit. The 1:1 ratio works with FL-FX-FXWG 4-speed models 1968-1984 with transmission drive speedo unit.