Approval Details

Valid E.O.


This Executive Order approved the specified parts on on May 5, 1980.
As of Monday, April 15th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsModification
9-00001979 and older HD vehicles with Chrysler 440 CID engineKit includes modified original carburetor, modified distributor and water injection system. Ignition timing is advanced to 12-14 degrees before top dead center.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-97
  • Executive Order 97 / D97
  • ARB # D-97
  • Executive Order No: D-97
  • C.A.R.B. No. D-97
  • Resolution D-97
For Free CARB Executive Order Status verification, email an image of the device Executive Order label as well as the Year/Make/Model and Test Group # of the vehicle to [email protected]

Download: Executive Order D-97 PDF

D-97 Document:

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