There are many important reasons to use ARP main stud kits, including the elimination of main cap walking a fretting, as well as protecting the threads in your engine block. All kits come complete with hardened parallel-ground washers and high quality nuts. Some applications have provisions for mounting windage trays and have specially designed standoff studs with serrated lock nuts to position the windage tray and lock it securely in place. 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 1000% stronger than others.
Will work in conjunction with the factory windage tray.
The kits come complete with hardened washers and high-strength hex nuts.
Kit includes side bolts & windage tray nuts.
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