Approval Details

Valid E.O.


This Executive Order approved the specified parts on on April 18, 2000.
As of Monday, July 22nd, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1994 and older General Motors small block V8 engines equipped with flat tappet liftersThe Smart Cam Lifters are a full set of hydraulic lifters designed to replace the stock V8 small block engine lifters.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-498
  • Executive Order 498 / D498
  • ARB # D-498
  • Executive Order No: D-498
  • C.A.R.B. No. D-498
  • Resolution D-498
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-498 PDF

D-498 Document:

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