For Ram 5.9L Cummins owners looking for head or main studs, we've got you covered with premium options from Alligator Performance. Choose from high-quality stainless-steel studs with a tensile strength of up to 70,000 PSI, or heat-treated chromed steel studs with hardness ratings as high as RC 63. These studs are crafted by OEM-approved manufacturers, ensuring reliable performance in any condition.