This Blue Spring Kit is a must - have for 2003 - 2007 Ford F - 250, F - 350, and Excursion models with a 6.0L engine. It's easy to install, taking just 30 minutes, and can increase your fuel pressure by about 10 psi, restoring it to factory levels. The extra fuel pressure helps your injectors last longer by preventing them from overpowering the stock fuel pump, reducing air in the injectors. You'll notice your truck idles quieter, revs up faster, and the turbo spools up quicker. The kit comes with a brand - new billet aluminum housing. It's much stronger and thicker than the factory cast aluminum one, preventing fuel leaks. The Sinister Diesel Fuel Filter Cap, made from a single solid aluminum billet, is far stronger than the OEM plastic cap. Anodized in Sinister Gray for corrosion resistance, it has a 1/8th' NPT port for fuel pressure testing. Key features include CNC machining from T6 - 6061 billet aluminum, a laser - etched Sinister Diesel logo, a new 'Blue Spring', and new gaskets. It restores lost fuel pressure, saves injectors from low pressure, and won't crack like the fuel filter cap. Note: Not compatible with E - series.

Using this product is a breeze. First, gather all the tools you need. It'll only take you about 30 minutes to install. Locate the old parts in your 2003 - 2007 Ford F - 250, F - 350, or Excursion with a 6.0L engine and replace them with the parts from the kit. Make sure all connections are tight to avoid any fuel leaks. As for maintenance, keep an eye on the fuel pressure using the 1/8th' NPT port on the fuel filter cap. If you notice any drops in performance or fuel pressure, check the parts for wear and tear. Also, remember this kit is not compatible with E - series vehicles, so don't try to use it on those models. Regularly inspect the billet aluminum housing and fuel filter cap for any signs of damage. If you see any issues, it might be time to replace the parts to keep your truck running smoothly.