These are professionally rebuilt "in the USA" units. Appears New! Working tested and used gauges have new decals, painted needles, clear face lens and is surrounded with new die cast chrome bezel. These are combined with a rebuilt AC Delco speedometer. Ready to install. For the perfectionists! NOTE: The temperature gauge was originally for the six cylinder engine 1955-56 and has a gas filled capillary tube with probe. Sold each.Made in USA. NOTE: We supply only original AC Delco rebuilt speedometers, not non-repairable imports now on the market. If you require a mechanical temperature gauge on your 1957-59 six cylinder or V-8, click RESP233V. Must have your core before we ship NO exceptions!! HERE IS OUR RECORD: Since the year 2000, we have sold 2,000 rebuilt General Motors speedometers (1934-1966) Maybe one return and ALL from the same builder!