Approval Details

Valid E.O.


This Executive Order approved the specified parts on on November 30, 1995.
As of Wednesday, June 19th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
115239, 115848 115850 JET1001, J1987 and older GM vehicles equipped with a carbureted 267 to 350 CID V-8 gasoline engine.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-391
  • Executive Order 391 / D391
  • ARB # D-391
  • Executive Order No: D-391
  • C.A.R.B. No. D-391
  • Resolution D-391
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-391 PDF

D-391 Document:

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