ARP Main Stud Kits

Universal Fitment

Part #: 251-5801

Overview

The ARP Main Stud Kit is a high-quality upgrade designed specifically for Ford engines, offering increased strength and reliability for a variety of engine rebuilds and performance applications. Crafted with precision and durability in mind, these main studs are ideal for enthusiasts and professionals seeking to enhance engine integrity during assembly or high-stress operation. Whether you're restoring a stock engine or pushing your setup with forced induction or high horsepower modifications, this kit provides the peace of mind that comes with superior materials and engineering. Designed to support demanding engine builds, the ARP Main Stud Kit helps prevent main cap movement and maintains proper bearing clearance under extreme conditions. Its robust construction ensures long-lasting performance, reducing the risk of engine failure due to main cap movement or bolt fatigue. This kit is suitable for a wide range of Ford engines from 2011 to 2025, making it a versatile choice for many performance builds.

Key Features

This kit features high-strength alloy steel studs designed for maximum durability and consistent clamping force. The precision-machined threads and nuts ensure a secure fit and easy installation. The main studs are engineered to withstand high torque loads and thermal cycling, supporting reliable engine operation. Additionally, the kit includes all necessary hardware for a straightforward installation process, helping to streamline your rebuild or upgrade.

Construction & Design

The ARP Main Stud Kit is constructed from premium alloy steel, known for its excellent strength-to-weight ratio and resistance to fatigue. The studs are heat-treated for enhanced toughness and longevity, ensuring they maintain their integrity under demanding conditions. The design features a precise thread pitch and surface finish, promoting optimal torque transfer and minimizing the risk of thread galling or stripping.

Installation & Fitment

This kit is designed for easy installation with standard hand tools. Proper torque specifications should be followed to ensure optimal clamping force and engine reliability. Compatibility covers a broad range of Ford engines from 2011 to 2025, but verification against your specific engine model is recommended before installation.

What’s Included

The package includes all main studs, nuts, and washers required for a complete installation, providing everything needed to upgrade your engine's main cap fasteners with confidence.

Ideal For

Perfect for engine builders, performance enthusiasts, and anyone undertaking a rebuild or high-performance upgrade on Ford engines, this kit helps ensure your engine's core components stay secure and perform reliably under demanding conditions.