Use for 45+ PSI boost
Fits '98.5-'17 Dodge 5.9L & 6.7L 24V / 12mm ARP 2000 Head Stud Kit
Rated at 220,000 psi tensile strength
Ample clamping force prevents cylinder heads from lifting
8740 alloy is rated better than aircraft quality
Threads rolled after heat treatment for optimum fatigue strength
Centerless ground to assure perfect concentricity
Broached stud ends install & make cylinder head removal easier
Chrome moly steel 12-pt nuts & parallel-ground washers included
Finish: Black oxide
Instructions are here https://arp-bolts.com/kits/instructions.php?RecordID=1627