Fits 99-04 Ford 4.6L 2V V8 Easily Attach To Factory Rail Addional Accessory Port Machined billet Aluminum Hardware and Fittings Included Anodized Black and Laser Etched Ford 2V Specific.This fuel rail adapter is specially designed for the 99-04 4.6L Mustang and mounts between the stock fuel rail and fuel pressure sensor to provide a fuel feed to the nitrous systems fuel solenoid . Tested Design. This fuel rail adapter is machined from billet aluminum and includes the necessary hardware and fittings to pull fuel for any brand nitrous system. Application.The Nitrous Outlet 1999 - 2004 4.6L 2V Ford fuel rail adapter is designed to bolt between the factory fuel pressure regulator and fuel rail providing a outlet port to supply fuel to the nitrous system fuel solenoid.Learn More