Harley Model / Year Fitment: EL 1936-1940, FL 1941-1964,
Black Jam Nuts from Colony motorcycle products have a thread size of 7/16 inch-20 N.F. x 7/16 inch x 3/4 inch and are used for auxiliary spring bracket assembly.
Use "Search" to find specific parts, Custom parts, and also OEM or Manufacturer Part #s. Use "Make/Model/Year" for bike specific parts browsing. Orders over $295 ship FREE!