1989-1998 Cummins 5.9L CA625+ Head Stud Kit (247-4205)

The Custom Aged 247-4205 adds another layer of security to your 5.9L Cummins build with extra-strong studs with the Custom Aged 625+ material that has a minimum rating of 260,000psi tensile strength. This ensures that even with abnormally high combustion chamber pressure the 247-4205 Custom Aged Studs will provide the clamping strength necessary to keep your cylinder head from lifting.