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ARP Main Stud Kits
All ARP Main Stud Kits come complete with hardened parallel-ground washers and aerospace quality nuts. The stud are manufactured from 8740 chromoly steel, heat-treated to 190,000psi tensile strength, and precision J-form thread rolled after heat treatment to create a fastener that has threads 1000% stronger than others.
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Some parts are not legal for sale or use in California on any pollution controlled motor vehicles.
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