ARP Main Stud Kits | Multiple Pontiac Fitments (291-5801)

The ARP Main Stud Kits are high-performance fasteners designed to secure engine main caps and prevent cap walk or fretting during operation. Crafted from 8740 chromoly steel and heat-treated in-house to achieve a tensile strength of 190,000 psi, these studs provide exceptional durability and strength under demanding conditions. The precision J-form threads are rolled after heat treatment, resulting in stronger, more reliable threads compared to standard fasteners. The kits include hardened, parallel-ground washers and high-quality nuts, ensuring a secure and consistent fit. These main stud kits are engineered to enhance engine integrity, especially in high-stress applications, offering peace of mind during intense driving or racing scenarios.

Designed for a variety of Pontiac models, these ARP main stud kits are suitable for engines requiring a robust fastening solution. They are compatible with multiple Pontiac fitments, providing a direct replacement for factory fasteners. Ideal for performance builds, street, or track use, these studs help maintain proper main cap alignment and prevent engine damage caused by cap movement. Installation involves replacing the stock bolts with these high-strength studs, which are supplied complete with all necessary components for a straightforward upgrade. They are suited for engines subjected to increased power and stress, ensuring long-term reliability and engine performance.