ARP Main Bolt Kits | Multiple Chrysler Fitments (145-5201)

The ARP Main Bolt Kit is a high-performance fastener set designed to replace OEM main bolts in various Chrysler engines. Crafted from forged 8740 chromoly steel, these bolts are rated at 180,000 psi, ensuring exceptional strength and durability under demanding conditions. Featuring rolled threads after heat treatment, they offer approximately 2,000 percent better fatigue strength compared to standard fasteners. The design includes a reduced wrenching head and a large underhead radius, optimizing installation ease and load distribution. These bolts are engineered to meet the rigorous standards required by professional engine builders, providing reliable clamping force and long-term performance in high-stress applications.

This ARP Main Bolt Kit is suitable for multiple Chrysler models, fitting a range of engine configurations. It is intended for use in performance rebuilds, racing, or high-performance street applications where strength and reliability are critical. The kit includes all necessary bolts for a complete main cap replacement, ensuring a direct fit and straightforward installation. Compatible with engines requiring high-strength fasteners, these bolts serve as a premium upgrade over OEM components, delivering enhanced engine integrity and peace of mind during demanding driving conditions.