Approval Details

Valid E.O.


This Executive Order approved the specified parts on on January 6, 1993.
As of Thursday, September 24th, 2020 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsRemarks
1412-161993 & older GM 265-400 C.I.D.Magnum Roller Rocker Arms, Rocker Ratio 1.6

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-279-4
  • Executive Order 279-4 / D279-4
  • ARB # D-279-4
  • Executive Order No: D-279-4
  • C.A.R.B. No. D-279-4
  • Resolution D-279-4
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-279-4 PDF

D-279-4 Document:

Current View

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