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The ARP 247-4204 Cummins Diesel Custom Age 625 Head Stud Kit is designed for the 1998 5 to current model 5.9L and 6.7L Cummins engines. The ARP 247-4202 Custom Age 625 extra heavy duty head studs prevent head gasket failures from high combustion pressures. The ARP CUSTOM AGE 625 PLUS® is a formulated super-alloy demonstrates superior fatigue cycle life, tensile strength and toughness. ARP is the first to develop a manufacturing and testing processes for fasteners with Custom Age 625+ alloy. The custom age 625+ alloy offers the highest strength fastener available for high horsepower Dodge Cummins diesels. The CA625+ offers a tensile strength of 260,000 psi.
ARP 247-4204 Custom Age 625 Plus Cummins Diesel Head Stud Kit