ARP Nut Kits

Compatible with various applications, 1/2˝-20 Nut Kit by ARP

Part #: 400-8334

Overview

The ARP Nut Kits are precision-engineered fasteners designed to meet the demanding needs of automotive enthusiasts, racers, and professional builders. Crafted from aerospace-quality materials, these nuts provide exceptional strength, durability, and reliability for a wide range of high-performance applications. Whether you're assembling engine components, securing suspension parts, or customizing your vehicle, ARP nuts ensure a secure fit and long-lasting performance.

Ideal for those seeking top-tier hardware, these nut kits are built to withstand extreme conditions and high torque loads. Their robust construction helps support increased horsepower and torque, making them a trusted choice for both street and race applications. With ARP's reputation for quality and precision, you can be confident that these nuts will deliver consistent, reliable performance in your build.

Key Features

ARP Nut Kits are designed with the serious enthusiast in mind, offering a combination of strength, precision, and ease of use. The 1/2˝-20 thread size is a common standard in automotive and racing applications, providing versatile compatibility across many components. The 12-point style heads allow for easier installation and removal in tight spaces, ensuring a secure grip with a wrench.

• Made from aerospace-quality stainless steel, providing excellent corrosion resistance and durability.
• Rated at an impressive 180,000 psi tensile strength, ensuring they can handle high-stress environments.
• Polished finish enhances appearance and provides additional corrosion protection.
• No nylon insert or self-locking features, designed for applications where a secure, permanent fit is required.
• Wrench diameter of 9/16 in. allows for easy installation with standard tools.
• Available in stainless steel, offering a sleek look and resistance to rust and corrosion.
• Compatible with a variety of fastener sizes and types, making them suitable for many custom builds and repairs.
• Designed to meet or exceed industry standards for strength and quality.
• Ideal for high-performance engines, suspension components, and other critical fastener applications.

Construction & Design

The ARP Nut Kits are meticulously manufactured from aerospace-grade stainless steel, ensuring maximum strength and longevity. The 12-point head design provides increased contact surface area, allowing for better torque application and reducing the risk of stripping or rounding off the corners. The polished finish not only enhances aesthetic appeal but also offers superior corrosion resistance, making these nuts suitable for both street and off-road environments.

Designed with precision machining, these nuts feature a consistent thread pitch and smooth surface finish, ensuring easy installation and removal. Their robust construction makes them capable of handling high-stress loads without deformation or failure, providing peace of mind during intense driving conditions or high-performance racing.

Installation & Fitment

The ARP Nut Kits are designed for straightforward, bolt-on installation. They utilize standard 1/2˝-20 threads, compatible with a wide range of automotive components. No special tools or modifications are required for installation, making them suitable for both professional mechanics and DIY enthusiasts. Simply thread the nuts onto the corresponding bolts or studs and tighten to the specified torque for your application.

• Easy to install with common hand tools.
• No cutting, drilling, or special tuning needed.
• Suitable for use in high-stress environments where secure fastening is critical.

What's Included

• Complete set of stainless steel nuts with 12-point heads
• No washers or additional hardware included (sold separately if needed)
• Instruction sheet for proper installation and torque specifications

Ideal For

• High-performance engine builds
• Suspension and chassis assembly
• Racing applications requiring high-strength fasteners
• Custom automotive projects where durability and reliability are essential