Pro Main Stud Set ARP main bearing cap studs are manufactured from 8740 chrome-moly steel, heat-treated in-house, 200,000 psi tensile strength, and precision J-form threads rolled after heat-treat to create a fastener that has threads 1000% stronger...

Pro Main Studs ARP main studs are manufactured from 8740 Chromoly steel, heat-treated in-house to 200,000 psi Tensile strength, and precision J-form threads rolled after heat-treat to create a fastener that has threads 1000% stronger than others. All...