ARP Main Bolt Kits | Multiple Ford Fitments (154-5204)

The ARP Main Bolt Kit is a high-performance fastener set designed for professional engine assembly and rebuilds. Crafted from forged 8740 chromoly steel, these bolts are rated at 190,000 psi, ensuring exceptional strength and durability under demanding conditions. The kit features application-specific bolts with a reduced wrenching head, a large underhead radius, and rolled threads that are heat-treated post-manufacture. This process enhances fatigue strength by approximately 2,000 percent compared to threaded-before heat treatment bolts, providing superior reliability and longevity for critical engine components. These main bolts are engineered to meet the rigorous standards required by professional engine builders, offering a robust solution for high-performance applications.

Designed for a variety of Ford models, these ARP main bolts are suitable for engines requiring precise and reliable fasteners. They are intended for use in engine rebuilds and performance upgrades, ensuring secure and consistent main cap fastening. The kit is compatible with multiple Ford fitments, making it a versatile choice for enthusiasts and professionals alike. Installation involves replacing the stock bolts with these high-strength ARP units, providing a direct upgrade for improved engine integrity. The set includes all necessary bolts for a complete main cap assembly, making it ideal for street, track, or high-performance daily driving applications where engine reliability is paramount.