Approval Details

Valid E.O.


This Executive Order approved the specified parts on on January 21, 1993.
As of Wednesday, June 19th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1991 and older GM vehicles powered by 262-400 CID gasoline engine and OEM flat tappet hydraulic lifters

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-225-27
  • Executive Order 225-27 / D225-27
  • ARB # D-225-27
  • Executive Order No: D-225-27
  • C.A.R.B. No. D-225-27
  • Resolution D-225-27
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-225-27 PDF

D-225-27 Document:

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