ARP Main Stud Kits

Universal Fitment

Part #: 234-5802

Overview

The ARP Main Stud Kit is a high-strength fastening solution designed for engine builders seeking enhanced durability and reliability. Crafted from 8740 chromoly steel and heat-treated to achieve a 190,000 psi tensile-strength rating, these studs are engineered to withstand the demanding conditions of high-performance engines. Ideal for performance enthusiasts and professional rebuilders, this kit helps eliminate main cap walk and fretting, ensuring consistent engine integrity under stress. The precision J-form threads are rolled after heat treatment, resulting in stronger, more reliable threads compared to standard fasteners. Complete with hardened, parallel-ground washers and high-quality nuts, this kit provides a comprehensive solution for securing your engine's main caps with confidence and precision.

Key Features

This main stud kit combines advanced materials and thoughtful design to support your engine build:

• Made from 8740 chromoly steel for exceptional strength and durability
• Heat-treated in-house to a 190,000 psi tensile-strength rating
• Precision rolled J-form threads for superior thread strength
• Includes hardened, parallel-ground washers for even load distribution
• High-quality nuts designed for secure fastening
• Engineered to prevent main cap walk and fretting under high loads
• Suitable for a variety of Chevrolet engine applications

Construction & Design

The studs are manufactured from premium chromoly steel, a material renowned for its strength-to-weight ratio and resistance to fatigue. The heat-treatment process enhances tensile strength, ensuring the studs maintain their integrity during high-stress operation. The rolled J-form threads provide a tight, reliable fit, reducing the risk of thread stripping or loosening over time. The inclusion of hardened washers and nuts ensures a secure, stable connection that supports long-term engine performance.

Installation & Fitment

Installation requires proper torque specifications and should be performed by experienced engine builders. Verify fitment against your specific engine model and part number to ensure compatibility. These studs are designed as a direct replacement for OEM fasteners in compatible Chevrolet engines, providing a straightforward upgrade for performance and reliability.

What’s Included

The kit includes all necessary studs, hardened washers, and nuts needed for a complete installation, providing everything required to reinforce your engine's main cap assembly and improve overall engine integrity.