ARP 247-4204 Custom Age 625+ Head Stud Kit


ARP 247-4204 Custom Age 625+ Head Stud Kit $1,567.01 $1,339.00

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The ultimate headstud avaliable for all 5.9L and 6.7L cummins engines. These fasteners are used in nearly every build from mild to extreme horsepower levels. You will not find a fastener on the market that can compete with the ARP625+ kit.


-ARP uses a premium grade 8740 alloy that is rated far superior to “aircraft” quality. Each stud is placed vertically in special racks and precisely heat-treated to 200,000 psi.

-ARP studs are thread rolled after heat-treat, which gives them about 1000% better fatigue strength than those studs that are threaded prior to heat-treat

-260,000 -280,000 PSI Tensile strength

-These head studs are recommended for all trucks making above stock horsepower

-Required for cylinder heads equip with fire rings

Please email [email protected] for availability *

Fitment Notes:

1998.5 – 2023 Cummins Engines

Additional information

Weight 9.5 lbs
Dimensions 9.5 × 6.6 × 2.4 in


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