Description
ARP® ADDS 260,000 PSI HEAD STUDS
FOR CUMMINS & DURAMAX DIESELS
With performance enthusiasts adding increasing amounts of turbo boost to diesel applications,
ARP® has provided an extra measure of security in the form of extra-strong head
studs manufactured from the firm’s proprietary Custom Age 625+® material that has a
minimum rating of 260,000 psi tensile strength. They are engineered to provide the clamping
force required to keep cylinder heads from lifting due to exceptionally high combustion
pressures.
ARP® also offers head stud kits made from ARP2000 (220,000 psi minimum) for the
Dodge/Cummins plus Chevy DuraMax diesel, Ford 7.3L PowerStroke diesel, and 6.0L PowerStroke.
The stud kits include heat-treated chrome moly steel nuts (12-point) and parallelground
washers
The studs are manufactured in ARP’s Santa Paula, CA plant, with threads rolled after heattreat
to provide optimum fatigue strength. They are centerless ground to assure perfect
concentricity. The ends of the studs are broached to facilitate easy installation. This feature
also enables the cylinder head to be removed in tight quarters.
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