Sinister Diesel "Race" Injector for 2003-2007 Ford Powerstroke 6.0L (175cc) SD-INJ-6.0-175

If your injectors are on their way out or you need to make the most of your bolt-on upgrades, you need the Sinister Diesel Race Injectors for the 2003-2007 Ford Powerstroke 6.0L. They are manufactured from solid bodies and eliminate the failure from check ball pressure issues. They are manufactured to meet or exceed OEM fitment and reliability., Features:Flow 175cc, 30 Percent over stock 35LPM OE Extrude Hone Nozzles, Modified internal plunger for longer effective stroke, 100 Percent new precision fit, upgraded spool valves., Upgraded, vented slot coil technology., New harness connector., New plungers and nozzle assembly., Copper washer and injector o-ring kits are included for install.Includes:(1) Sinister Diesel Race Injector, (1) New harness connector, (1) Copper washer, (1) Injector o-ringNote: Not for sale in California, NOTE When purchasing or installingthese injectors it isrequiredfor warranty, that you run a regulated fuel return kit that insures a regulated fuel pressure of 65 PSI. The regulated fuel return kit for the 03-07 6.0L Powerstroke Super Duty is an important part of the fuel system upgrade process. This kit Eliminates the "dead-head" stock fuel rails and provides adjustable fuel pressure capability to the Powerstroke fuel system. This is done by tying the end of each fuel rail together through a Bypass Fuel Regulator. The Regulated Return Kit also includes replacement Fuel Feed Lines (from the fuel filter to the cylinder heads) that replace the stock lines and banjo bolts with larger high flow units and eliminates the restrictive check valves.; The Primary benefit of the fuel regulated returnkit is to SIGNIFICANTLY increase fuel flow "through" the heads, ensuring that each fuel injector has adequate fuel volume and pressure all the time (no more "Wide Open Throttle Pressure Drop"). If you want increased injector life and less injector noise; particularly if you are installing expensive new injectors (larger aftermarket), we HIGHLY RECOMMENDthis k