Approval Details

Valid E.O.


This Executive Order approved the specified parts on on May 27, 1997.
As of Friday, April 19th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1997 GM Corvettes equipped with 5.7L LT-1 and LT-4 gasoline enginesThe Lingenfelter 350 CID engine uses new camshaft, double valve springs, titanium valve spring retainers, K & N replacement air filter (part # 33-2014), and after catalyst exhaust system and re-worked cylinder heads and intake manifold.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-333-18
  • Executive Order 333-18 / D333-18
  • ARB # D-333-18
  • Executive Order No: D-333-18
  • C.A.R.B. No. D-333-18
  • Resolution D-333-18
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-333-18 PDF

D-333-18 Document:

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