ARP 4G63 Main Stud Kit

Part #: 207-5401

Overview

The ARP 4G63 Main Stud Kit is a high-quality upgrade designed for Mitsubishi 4G63 engines, including DSM and Evo 8/9 models. This kit is essential for enthusiasts and professionals seeking to enhance engine durability and reliability during high-performance applications. Crafted with precision and manufactured in ARP’s own facility, these studs help eliminate main cap walk and prevent fretting, ensuring your engine maintains optimal alignment under demanding conditions. The kit provides a secure, stable foundation for your engine’s main caps, supporting consistent performance and longevity. Whether you're building a high-horsepower setup or restoring a stock engine, this stud kit offers the strength and precision needed for reliable operation.

Key Features

This main stud kit features advanced materials and engineering to meet aerospace standards, providing superior strength and durability. The kit includes hardened, parallel-ground washers and aerospace-quality nuts for a secure fit. Designed to withstand the stresses of high-performance tuning, these studs help maintain proper main cap alignment, reducing the risk of engine damage. The precise manufacturing process ensures consistent thread engagement and load distribution, contributing to overall engine integrity. ARP’s attention to detail and quality control make this kit a trusted choice for engine builders and tuners.

Construction & Design

The studs are made from ARP’s proprietary alloy, known for its exceptional strength and resistance to stretching and fatigue. The design incorporates a high-precision thread pattern and a hardened finish, ensuring long-lasting performance and easy installation. The included washers and nuts are engineered to provide optimal clamping force, reducing the risk of thread stripping or loosening over time.

Installation & Fitment

This kit is designed for straightforward installation on compatible 4G63 engines, including DSM and Evo 8/9 models. Proper torque specifications should be followed to ensure maximum clamping force and engine integrity. It is recommended to verify fitment with your specific engine build and consult professional installation if needed.

What’s Included

The package includes all necessary studs, hardened washers, and aerospace-quality nuts required for a complete installation, providing everything needed to upgrade your engine’s main cap fasteners for enhanced durability and performance.

Ideal For

Perfect for engine builders, tuners, and enthusiasts aiming to strengthen their 4G63 engine for high-performance applications, including turbo builds, racing, or heavy-duty use.