Abstract: Provided in accordance with the present invention, is a preferred embodiment of a method for straightening a warped cylinder head (10). The method initially includes placing the cylinder head in a press (12). Thereafter, the press is operated to apply a first pressure, substantially along the longitudinal axis of the cylinder head. Next, the method includes heating the cylinder head to increase the applied pressure to a second pressure, greater than the first pressure. The method then includes cooling the cylinder head until the applied pressure decreases to a third pressure less than the second pressure. The method thereafter includes operating the press to reduce pressure applied to the cylinder head to a fourth pressure, less than the first pressure. Preferably, the method includes maintaining the cylinder head at approximately the fourth pressure, while allowing the cylinder head to cool to ambient temperature.