Approval Details

Valid E.O.


This Executive Order approved the specified parts on on February 18, 2003.
As of Friday, March 1st, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsRemarks
178-5531996-1998 4.6 liter Ford Mustang GTDrive Pulley Diameter: 167 mm (6.54 inches); Supercharger Pulley Diameter : 74 mm (2.90 inches); Maximum Boost: 8 psi at 6,000 rpm

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-473-7
  • Executive Order 473-7 / D473-7
  • ARB # D-473-7
  • Executive Order No: D-473-7
  • C.A.R.B. No. D-473-7
  • Resolution D-473-7
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-473-7 PDF

D-473-7 Document:

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