The 6.0 Blue Spring Upgrade is a common upgrade for the 6.0 Powerstroke. Once installed this fuel regulator kit will increase fuel pressue on your Powerstroke by 10-15psi. This gives many benefits to your 6.0 including increased injector life, smoother power delivery, and increased drive-ability. The Blue Spring Upgrade Kit installs on the 6.0 fuel pressure regulator housing in the engine bay. Access the link included with your Blue Spring Kit and follow the step-by-step installation video. Fits 2003, 2004, 2005, 2006 and 2007 F250, F350,F450 and F550 trucks. This is not a genuine OEM part, the term is used only for vehicle identification purposes.
