1951-1959 Autolite Vacuum Advance. Item fits the following:

-1951-1954 Chrysler Desoto
-1951-1959 Dodge 6
-1957-1959 Plymouth 6

Contact seller for more information if needed. Tucson Packard quality parts through the years, 40 years experience working with all makes and models of Packard auto and other auto parts.  (61603)