ARP Custom Age 625+ Head Stud Kit with lube for 1998.5- Present 24v Cummins

A must for HP applications and or high boost engines. 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.