6.0 Blue spring upgrade kit powerstroke fuel regulator kit,Replaces 3C3Z-9T517-AG

Functions of the 6.0 blue spring kit upgrade
Increase fuel pressure 10-15psi ,increases fuel injector life of your Ford 6.0 Powerstroke.

Fits the below Ford 6.0L super duty vehicles:
2003 2004 2005 2006 2007 FORD F-250 SUPER DUTY
2003 2004 2005 2006 2007 FORD F-350 SUPER DUTY
2003 2004 2005 2006 2007 FORD F-450 SUPER DUTY
2003 2004 2005 2006 2007 FORD F-550 SUPER DUTY
2003 2004 2005 FORD EXCURSION
Easy installation: complete kit with all accessories for installation, few minutes done.

Package include
1*upgraded blue style stainless steel spring
1*fuel pressure regulator housing
4*rubber O-ring seals
4*bolts
3*orifice seals