ARP Nut Kits

5/16˝-24 Stainless Steel Nut Kit

Part #: 400-8321

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 enthusiasts and professionals who demand reliability under extreme conditions. Whether you're assembling engine components, suspension parts, or other critical systems, these nuts ensure a secure and lasting fit.

Designed for those who seek top-tier quality, the ARP Nut Kits help support increased horsepower and torque by providing a robust fastening solution that withstands the stresses of spirited driving, racing, or off-road adventures. Their polished finish not only enhances the appearance of your build but also resists corrosion, ensuring longevity and consistent performance.

Key Features

ARP Nut Kits are built with the highest standards of craftsmanship and material selection. Here are some of the key features that set these nuts apart:

• Material Excellence: Made from aerospace-grade stainless steel, these nuts offer superior tensile strength and corrosion resistance, ensuring they perform reliably over time.
• High Tensile Strength: Rated at 180,000 psi, these nuts provide exceptional holding power, supporting demanding applications where safety and security are paramount.
• 12-Point Style Heads: The 12-point design allows for easier installation and removal in tight spaces, providing better wrench engagement and reducing the risk of stripping.
• Polished Finish: The polished surface not only looks great but also helps resist rust and corrosion, maintaining a clean appearance even in harsh environments.
• Compatibility: Designed to fit 5/16˝-24 threaded applications, these nuts are versatile and suitable for a wide range of automotive uses.
• Ease of Use: No nylon inserts or self-locking features are included, making these nuts ideal for applications where a clean, straightforward fastening solution is required.
• Washers Included: Not included, allowing you to select the appropriate washers for your specific application.
• Wrench Diameter: 3/8 inch, compatible with standard tools for quick and secure installation.

Construction & Design

The ARP Nut Kits are meticulously manufactured using aerospace-quality stainless steel, ensuring maximum strength and corrosion resistance. The 12-point head design provides enhanced grip and ease of installation in confined spaces, making them suitable for complex engine bays or chassis assemblies. The polished finish not only adds a sleek aesthetic but also acts as a protective barrier against rust and environmental damage. These nuts are engineered to withstand the rigors of high-performance driving, ensuring your components stay securely fastened under extreme conditions.

Installation & Fitment

The ARP Nut Kits are designed for straightforward, bolt-on installation. They fit standard 5/16˝-24 threaded applications and can be installed using common hand tools. No special modifications, cutting, or drilling are required. For optimal torque and security, use a standard 3/8 inch wrench or socket. Always ensure the nuts are tightened to the manufacturer’s recommended specifications to prevent over-tightening or loosening during operation.

• Easy to install with standard hand tools
• No cutting, drilling, or special tuning needed
• Suitable for a wide range of automotive fastener applications

What's Included

• Complete set of stainless steel 5/16˝-24 nuts with 12-point heads

Ideal For

• High-performance engine builds
• Suspension and chassis assembly
• Race cars and off-road vehicles
• Enthusiasts seeking durable, reliable fasteners