ARP Nut Kits

2010–2025 Universal / Automotive 1/4"-28 Nut Kit

Part #: 300-8300

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, securing suspension parts, or working on custom builds, these nuts ensure a secure fit and long-lasting performance.

Designed for both street and racing environments, ARP Nut Kits help support increased safety and integrity in your vehicle's critical connections. Their robust construction and high tensile strength make them suitable for a wide range of applications where dependable fastening is essential. With ARP's reputation for quality and precision, these nuts are a trusted choice for automotive builders and racers alike.

Key Features

ARP Nut Kits are built with advanced materials and thoughtful design features to meet the demanding needs of performance automotive work. Here are some of the key features that set these nuts apart:

• High-Strength Material: Made from aerospace-grade steel, these nuts are rated at 180,000 psi tensile strength, ensuring they can withstand extreme loads and vibrations.
• Corrosion Resistance: Finished with a durable black oxide coating, these nuts resist rust and corrosion, maintaining their integrity over time and in harsh environments.
• 12-Point Head Design: The 12-point style head provides increased wrench engagement, allowing for easier installation and removal in tight spaces.
• Precise Threading: The 1/4"-28 thread size ensures compatibility with a wide range of fasteners and components commonly used in automotive applications.
• Versatile Use: Suitable for securing bolts, studs, and other threaded fasteners in engine assemblies, suspension setups, and custom builds.
• Reliable Performance: Rated at 150,000 psi in fastener tensile strength, these nuts deliver consistent, dependable clamping force.
• Easy to Use: The wrench diameter of 5/16 inch allows for straightforward installation with standard tools.
• Washers Not Included: These nuts are designed to be used with compatible washers, which are not included but can be added for specific applications.

Construction & Design

The ARP Nut Kits are meticulously manufactured from aerospace-quality steel, ensuring maximum strength and durability. The black oxide finish not only provides corrosion resistance but also offers a sleek, professional appearance. The 12-point head design enhances wrench grip, reducing the risk of stripping and allowing for easier tightening in confined spaces. These nuts are precision-machined to exact specifications, guaranteeing a perfect fit and reliable performance in demanding automotive environments.

Installation & Fitment

Installing the ARP Nut Kits is straightforward, thanks to their standard 1/4"-28 thread size and 12-point head design. They are intended for use with compatible bolts and studs in various automotive applications. No special tools or modifications are required for installation. Simply thread the nut onto the corresponding fastener and tighten to the specified torque for your application. These nuts are suitable for use in a wide range of automotive assemblies, including engine, suspension, and chassis components.

What's Included

• Complete set of ARP 1/4"-28 nuts with black oxide finish

Ideal For

• Performance automotive enthusiasts
• Engine builders and tuners
• Race car builders
• Custom fabrication projects
• Anyone needing high-strength, reliable fasteners for critical applications