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Big block valve size

Discussion in 'The Garage' started by OLD DAWG, Jan 11, 2005.

  1. OLD DAWG

    OLD DAWG 1/2 ton status

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    MONTROSE, COLORADO
    Does anyone know what the intake and exhaust valve diameters for 781 series heads are?:crazy:
     
  2. thor

    thor 1/2 ton status

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    Location:
    Wa
    2.065 intake/1.72 exhaust... Most performance rebuilds switch to 2.19/1.88
     

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