ARP Main Stud Kits | Multiple Oldsmobile Fitments (281-5401)

The ARP Main Stud Kit for multiple Oldsmobile fitments is a high-performance engine fastener solution designed to secure 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. The precision J-form threads are rolled after heat treatment, resulting in stronger, more reliable threads compared to standard fasteners. The kit includes hardened, parallel-ground washers and high-quality nuts, ensuring a secure and consistent fit. This product enhances engine integrity by maintaining proper cap alignment under high-stress conditions, making it ideal for performance builds and demanding applications.

Designed for various Oldsmobile engines, these main studs are suitable for engines requiring increased clamping force and reliability. They are a direct replacement for stock fasteners, offering a bolt-on upgrade that improves engine stability and longevity. The kit is intended for use in performance and racing applications where maintaining main cap integrity is critical. Installation involves replacing existing main bolts with these studs, which are compatible with a range of Oldsmobile models. Suitable for street, strip, or track use, this kit ensures your engine maintains optimal compression and performance under high loads.