ARP Custom Age 625+ Head Stud Kit 250-4205 6.0 Powerstroke

The ARP Diesel Custom Age 625+ Head Stud Kit 250-4205 from XDP is the ideal upgrade for your competition or high-horsepower 2003-2007 Ford 6.0L Powerstroke. ARP is the industry leader when it comes to fasteners and offers heavy-duty head studs for a wide variety of popular diesel applications. Using head studs instead of standard head bolts provides your engine with the clamping force required to keep your cylinder heads from lifting due to higher combustion pressures. It’s a proven fact that OEM head bolts are the weak link in a diesel engine; especially when the engine has been heavily modified. That’s because most engines are typically assembled from the factory using weaker Torque-To-Yield (TTY) bolts and preloaded to yield and beyond (typically 100-110%). Any increases in combustion pressure can lead to problems like blown head gaskets or catastrophic engine failure. Furthermore, because TTY bolts are yielded by design, they should never be re-used.The 247-4204 Head Studs utilize