ARP (247-4204) Cummins 625+ Head Stud Kit
ARP Cummins 625+ Head Stud Kit 1998.5-2015 Cummins 247-4204
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. The stud kits include heat-treated chrome-moly steel nuts (12-point) and parallel ground washers.