Get the upgraded and replacement hardware you need to repair or assemble the engine in your 2004.5-2007 Dodge 5.9L Diesel. Head Studs and Fasteners are available as OE-style replacements that maintain the factory function of the OEM component. You can also purchase performance head studs and fasteners that are engineered for high-performance applications with high power outputs. Improved fasteners and head studs feature higher tensile strength that ensure they can handle the increased performance and power of your engine. Find the Head Studs, Head Bolts, Flex Plate Bolt, Fuel Injector Hold Down Bolts, and more from high-quality manufactures such as ARP, Fluidampr, and more at XDP.