Get the upgraded and replacement hardware you need to repair or assemble the engine in your 1989-1993 Dodge 5.9L Diesel. You can find the perfect Head Studs & Fasteners for your vehicle whether it's a stock commuter that needs OE-style replacements or a high-performance application with increased power. Performance fasteners and head studs feature increased tensile strengths that are ideal for automotive enthusiasts with high-performance applications. For those with stock applications, OE-style replacement fasteners and head studs are available to maintain factory function. At XDP, you can find high-quality manufacturers like ARP, Fluidampr, and more who produce head studs, head bolts, flex plate bolts, fuel injector hold down bolts, and more.