Approval Details

Valid E.O.


This Executive Order approved the specified parts on on May 29, 1997.
As of Friday, April 19th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1985-1997 Rover Group Limited vehicles equipped with 4.0L/ 4.6L enginesEaton supercharger, hardware and tubing necessary to connect to stock intake manifold and air filter housing, and a throttle-body adaptor plate. No changes are made to the stock fuel delivery system or ignition system. The manufacturer recommends 91 or higher octane fuel. The 4.6L kit includes a 2.93" diameter supercharger pulley and the 4.0L kit includes a 3.2765" diameter pulley.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-429
  • Executive Order 429 / D429
  • ARB # D-429
  • Executive Order No: D-429
  • C.A.R.B. No. D-429
  • Resolution D-429
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-429 PDF

D-429 Document:

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