Approval Details

Valid E.O.


This Executive Order approved the specified parts on on December 22, 1992.
As of Sunday, June 16th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
12-305-21987 and older GM vehicles powered with a 267 CID (4.4l) to 350 CID (5.7L) carbureted V-8 gasoline engines.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-279-3
  • Executive Order 279-3 / D279-3
  • ARB # D-279-3
  • Executive Order No: D-279-3
  • C.A.R.B. No. D-279-3
  • Resolution D-279-3
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-279-3 PDF

D-279-3 Document:

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