ARP 150-5801 Main Stud Kit
Finally, the there are factors of easier engine assembly and proper alignment of caps every time. All kits come complete with hardened parallel-ground washers and high quality nuts. The studs are manufactured from 8740 chrome-moly 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 2000% stronger than others.
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