Approval Details

Valid E.O.


This Executive Order approved the specified parts on on April 7, 1998.
As of Tuesday, May 21st, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsModification
975.4Ford 1997 5.4L Expedition, Navigator, F-150, and F-250Supercharger kit consists of an open element air cleaner, crankshaft pulley is 6.5" dia., supercharger pulley 2.6" dia.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-448
  • Executive Order 448 / D448
  • ARB # D-448
  • Executive Order No: D-448
  • C.A.R.B. No. D-448
  • Resolution D-448
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-448 PDF

D-448 Document:

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