Approval Details

Valid E.O.


This Executive Order approved the specified parts on on June 7, 1999.
As of Monday, April 15th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsModification
530050C1996-1997 GM C/K 1500/2500/3500 5.0L with 73mm pulley diameterThe WhippleCharger kit includes the following main components: Twin Screw 1.6L Whipple supercharger, two auxiliary fuel injectors with a stand alone computer, and an air bypass valve. The stock closed element air cleaner and crankshaft pulley are maintained.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-231-15
  • Executive Order 231-15 / D231-15
  • ARB # D-231-15
  • Executive Order No: D-231-15
  • C.A.R.B. No. D-231-15
  • Resolution D-231-15
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-231-15 PDF

D-231-15 Document:

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