The easy 30-minute installation of the new, updated "Blue Spring" will increase your fuel pressure to its factory-correct level. Most 6.0-liter engines will see a 10 psi increase in fuel pressure. The additional fuel pressure will help prevent the injectors from overflowing from the stock fuel pump, meaning there will be no air in the injectors and they will last much longer. Most trucks will idle a little lower, rev up more quickly, and, thanks to the increased fuel pressure, the turbo will spin a little faster.