Up for Buy-It-Now is a new old stock carburetor metering rod, (standard), Carter Carburetor number 75-401.  According to my vintage manuals, this is used on the following models and years:

1940 Pontiac 6 cylinder..w/ original carburetor number 463

  The metering rod is in brand new, never used condition.  There are a spot or two of extremely minor oxidation from many years of shelf storage.  May or may not need a light polishing up before installation.  The original package is in fair condition.
  Please feel free to E-mail me questions.  International bidders are always welcome.  Thanks for looking!!!