ARP Bmw Dart Little M w/ iron main caps & – Main Stud Kit, 4-Bolt Main AR234-5609

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Main Stud Kit, 4-Bolt Mainfits SB Chev Dart Little M With Iron Main Caps & Splayed Cap BoltsBrand: ARPPart Number: AR234-5609Description: There are many important reasons to use AR P main stud kits, including the elimination of main cap walk and 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 190,000 psi tensile strength, and precision J-form threads rolled after heat-treat to create a fastener that has threads 2000% stronger than others. Show more