If you're looking for a way to overcome head gasket failures in your 6.4 Powerstroke Ford diesel engine, ARP has just the solution. Their 250-4203 head studs are extra heavy-duty and made from the highest quality materials, so you can trust that they'll stand up to the increased pressure of your engine. With a tensile strength of 220,000 psi, these studs will provide the clamping force needed to keep your cylinder heads in place - even under higher combustion pressures. And because they're made in ARP's Santa Paula, CA plant from ARP 2000 material, you can be sure that they're of the utmost quality. So don't wait - get yourself a set of ARP 250-4203 head studs today!