Mysterious number stamped on cylinder heads. - NCRS Discussion Boards

Mysterious number stamped on cylinder heads.

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  • Rick Church

    Mysterious number stamped on cylinder heads.

    When I removed the intake manifold, I found a number stamped (not cast) into the cylinder heads where the gasket makes contact. The same number was on each head. The number was 13648SA. What does this number mean? Thank you.
    Rick in Tennessee
  • Loren L.
    Extremely Frequent Poster
    • April 30, 1976
    • 4104

    #2
    Probably a rebuilder. *NM*

    Comment

    • Mike M.
      NCRS Past President
      • May 31, 1974
      • 8365

      #3
      Re: Mysterious number stamped on cylinder heads.

      Agree with loren. mike

      Comment

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