Main Bolt Kit - Side Bolts - 12 Point Head - 9 mm Thread - 2-Bolt Mains - Chromoly - Black Oxide - Late Cast Iron Block - Ford Modular - Kit

Additional Information

UHL 2.25

ARP Ford Modular V8 Main Cap-Side Bolt (Late Cast Iron Block) M9 Main Bolt Kit

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Reference Information

Main Studs, Side Bolts, 12-Point Head, Ford, 4.6L, Kit

ARP main stud kits help eliminate main cap walk/fretting and protect the threads in your engine block. They include studs made from 8740 chromoly steel and heat-treated in-house to 190,000 psi tensile-strength rating. The precision J-form threads are rolled after heat-treat for much stronger threads than the competition. Kits come complete with hardened parallel-ground washers and high-quality nuts. Add confidence in the strength of your engine build with the ARP main stud kit designed for your application.