Get replacement and upgraded hardware with Head Studs & Fasteners that you need to hold the engine together in your 2004.5-2005 Chevy/GMC 6.6L LLY Duramax. Head Studs and Fasteners are available for high-performance applications with increased power outputs, as well as OE-style replacements that are engineered to maintain the factory function. Upgraded fasteners and head studs are engineered to handle the increased power of your engine with performance components. Find the Flex Plate Bolts, Fuel Injector Hold Down Bolts, Head Studs, Head Bolts, and more from top manufacturers like ARP, Fluidampr, and more at XDP.
