ARP Nut Kits

3/8˝-24 Nut Kit for Automotive Applications

Part #: 300-8391

Overview

The ARP Nut Kits are precision-engineered fasteners designed for high-performance automotive applications. Crafted from aerospace-quality materials, these nuts provide exceptional strength and durability, making them ideal for racing, off-road, and street use where reliability is critical. Whether you're assembling engine components, suspension parts, or other critical systems, these nuts ensure a secure and lasting fit.

If you're a performance enthusiast seeking top-tier hardware that can withstand demanding conditions, ARP Nut Kits are an excellent choice. They help support increased horsepower and torque by maintaining consistent, secure fastening under high stress. Their robust construction and high tensile strength make them suitable for both professional racing and serious street builds.

Key Features

ARP Nut Kits are built with precision and quality in mind, offering several features that set them apart from standard hardware:

• Manufactured from aerospace-quality steel, providing superior strength and longevity.
• Available in chromoly or stainless steel options to suit different environmental conditions and corrosion resistance needs.
• Rated at 180,000 psi tensile strength, ensuring they can handle high-stress applications without failure.
• Designed with a 12-point head style for easy installation and removal with standard tools.
• Black oxide finish offers corrosion resistance and a sleek appearance in the engine bay or chassis.
• Wrench diameter of 1/2 inch allows for secure tightening and proper torque application.
• Includes washers for a secure fit, although washers are not included with this specific kit.
• Ideal for use in engine assembly, suspension, drivetrain, and other critical fastener points.

Construction & Design

The ARP Nut Kits are meticulously manufactured using aerospace-grade materials to ensure maximum strength and durability. The 12-point head design provides increased grip and ease of installation in tight spaces, reducing the risk of stripping or slipping during tightening. The black oxide finish not only enhances corrosion resistance but also provides a professional, finished look that complements high-performance builds. These nuts are engineered to withstand extreme conditions, making them suitable for both daily driving and competitive racing environments.

Installation & Fitment

Installing the ARP Nut Kits is straightforward and requires only standard hand tools. The 12-point head design allows for easy engagement with a wrench or socket, even in tight spaces. These nuts are designed to thread onto compatible 3/8˝-24 fasteners, providing a secure and precise fit. No special modifications, cutting, or tuning are necessary, making them a perfect upgrade for existing hardware or new assemblies.

• Simply thread onto the corresponding bolt or stud and tighten to the manufacturer's recommended torque specifications.
• Ensure proper alignment and clean threads before installation for optimal performance.

What's Included

• Complete set of ARP Nut Kits with 12-point steel nuts
• Washers (if applicable or specified)
• Installation instructions (if provided)

Ideal For

These ARP Nut Kits are perfect for automotive enthusiasts, racers, and professionals who demand high-quality fasteners for critical applications. They are suitable for engine assembly, suspension components, drivetrain, and other areas where strength and reliability are paramount. Whether you're building a race car or upgrading your street vehicle, these nuts provide peace of mind and long-lasting performance.