Approval Details

Valid E.O.


This Executive Order approved the specified parts on on May 31, 1974.
As of Thursday, July 25th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
2001974 and older vehicles with engines 200 CID or larger engines

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-27
  • Executive Order 27 / D27
  • ARB # D-27
  • Executive Order No: D-27
  • C.A.R.B. No. D-27
  • Resolution D-27
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-27 PDF

D-27 Document:

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