ARP 132-5401 Main Cap Fasteners Kit - 2-Bolt Main Stud Kit

The ARP 132-5401 Main Cap Fasteners Kit is engineered for 2-bolt main applications, providing superior clamping force and reliability for high-performance and racing engines. This complete main stud kit eliminates main cap walk and fretting while protecting the threads in your engine block during repeated installation and removal.

Key Features:

• Manufactured from premium 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 for 1000% stronger threads than conventional fasteners
• Includes hardened parallel-ground washers and high-quality nuts for complete installation
• Rolled threads provide significantly longer fatigue life than pre-threaded fasteners
• Designed to meet the exacting standards of professional engine builders

ARP main studs are the preferred choice for competition engines where main cap stability is critical. The superior material properties and precision manufacturing ensure consistent clamping loads and reliable performance under extreme conditions. Each kit includes all necessary hardware for a complete installation.