Validity
This Executive Order approved the specified parts on on July 26, 1999.
As of Monday, November 4th, 2024 this Executive Order has not been overturned or superceeded.
This Executive Order approved the specified parts on on July 26, 1999.
As of Monday, November 4th, 2024 this Executive Order has not been overturned or superceeded.
Models | Modification |
---|---|
2000 model-year and older General Motors trucks equipped with the 7.4L engine | The 7.4L Cylinder Heads are designed to directly replace the stock set of cylinder heads and are manufactured out of aluminum. The Cylinder Heads include two fully assembled cylinder heads, two sets of rocker arms, a complete set of pushrods, and two valve covers. No modifications are made to the vehicle's computer or fuel delivery system |