Revitalize your engine with the Mishimoto 2004.5-2007 Ford 6.0L Powerstroke High-Pressure Oil Rail Ball Tube Set. These oil rail ball tubes are crucial to the operation of your Powerstroke's fuel injectors. Over time, the O-rings that seal these tubes can break down, resulting in high-pressure oil leaks, troublesome starting conditions, and eventually complete failure to start. However, you can avoid the costly replacement of the entire oil rail by simply replacing the ball valves and seals. This targeted solution effectively addresses the issue, saving you time and money. Crafted from top-notch stainless steel, this high-pressure oil rail ball tube set guarantees unmatched durability, exceptional corrosion resistance, and long-lasting performance.---- This comprehensive kit includes 8 ball valves, 8 seals, and a removal/installation tool for a one-stop solution. The Viton O-rings withstand high temperatures and pressure, ensuring leak-free operation. Upgrade your engine's fuel delivery system with the Mishimoto 2004.5-2007 Ford 6.0L Powerstroke High-Pressure Oil Rail Ball Tube Set and experience improved fuel efficiency, enhanced engine performance, and a renewed sense of reliability. Like all our products, this kit is backed by the Mishimoto Lifetime Warranty.