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Thread: Intake Manifold identification

  1. #1

    Default Intake Manifold identification

    Trying to identify an intake manifold. Think it might be JD from the casting number: 583-23 The hex size of the packing nuts is 1 7/8. Anyone have any ideas? Thanks. Dave

  2. #2


    Yes, it's JD
    Correct for 1923-1924 DCA and DCB motors as well as ALL 1925-1929 74" motors.

  3. #3


    Thanks, Mark. I figured if it was some form of J you would have the answer. Appreciate it. Looking in the 1922 to 1928 parts book the part number would be 1102-23 for the complete manifold with nuts and the number for a bare manifold would be 1107-23. Correct? Thanks again.

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