Approval Details

Valid E.O.


This Executive Order approved the specified parts on on April 13, 1999.
As of Monday, November 29th, 2021 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsModification
9685.71996-99 5.7L GM trucks and sport utility vehiclesSupercharger kit consists of a centrifugal supercharger with a pulley dia. of 3.3" and a crankshaft dia. of 7.5", boost is limited to 6 psi.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-448-1
  • Executive Order 448-1 / D448-1
  • ARB # D-448-1
  • Executive Order No: D-448-1
  • C.A.R.B. No. D-448-1
  • Resolution D-448-1
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-448-1 PDF

D-448-1 Document:

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