ARP 154-5610 Main Stud/Bolt Kit for High Performance Engines

The ARP 154-5610 Main Stud/Bolt Kit is engineered to provide superior clamping force and reliability for high-performance and competition engines. This kit eliminates main cap walk and fretting while protecting the threads in your engine block, ensuring maximum durability under extreme conditions.

Key Features:

• Manufactured from 8740 chrome moly steel for exceptional strength and durability
• Heat-treated in-house to 200,000 psi tensile strength for maximum clamping force
• Precision J-form threads rolled after heat-treat, providing 1000% stronger threads than conventional fasteners
• Includes hardened parallel-ground washers and high-quality nuts
• Select applications feature standoff studs with serrated lock nuts for windage tray mounting
• Generous under-head radius and rolled threads for superior fatigue resistance
• Professional-grade fasteners meeting the exacting standards of competition engine builders

ARP main studs and bolts are far superior to OEM fasteners, with threads rolled after heat-treating to deliver approximately 1000% longer fatigue life than main bolts threaded prior to heat-treat. This complete kit provides everything needed for a professional-quality engine assembly that can withstand the demands of high-performance and racing applications.