2008-2010 Superduty 6.4L Powerstroke Head Stud Kit (318034600)Description For engine builders who demand the highest level of strength and precision in their fasteners, the PPE Head Stud Kit is the ultimate solution for high performance diesel engines. With a focus on accuracy and strength, each stud is center less ground with precision and is thread rolled to meet Mil S 8879 specifications, resulting in increased durability and reduced stress at the threads. With an independently tested and verified tensile