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ARP Head Stud Kit - 2001-2016 GM 6.6L ARP2000 Head Stud Kit - Black Oxide ARP Head Stud Kit - 2001-2016 GM 6.6L Custom Aged ARP 625+ Head Stud Kit
These ARP 425 head studs for your 2001-2016 GM 6.6L Duramax are rated at 220,000 psi tensile strength, and provide the clamping force required to keep cylinder heads from lifting due to higher combustion pressures. A must if you are replacing head gaskets. These ARP 625+ head studs for your 2001-2016 GM 6.6L Duramax are rated at 260,000 psi tensile strength, and provide the clamping force required to keep cylinder heads from lifting due to higher combustion pressures. A must if you are replacing head gaskets.