ARP Fasteners 134-5601 Small Block Chevy 4-Bolt Main Stud Kit
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Please note the following about this product:
- This item is sold as a set.
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What's in the Box
ARP Main Stud kits eliminate main cap walk and fretting, as well as protect the threads in your engine block. All kits come complete with hardened parallel-ground washers and high quality nuts. The 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.