ARP Nut Kits

Compatible with various applications, 7/16˝-20 Nut Kit

Part #: 400-8303

Overview

The ARP Nut Kits are high-quality, aerospace-grade fasteners designed to provide reliable and durable fastening solutions for a wide range of automotive and industrial applications. Crafted from premium materials, these nuts are engineered to withstand extreme conditions and deliver consistent performance. Whether you're assembling a high-performance engine, restoring a classic vehicle, or working on custom projects, ARP nut kits offer the strength and precision you need to ensure safety and longevity.

Ideal for enthusiasts, professional mechanics, and fabricators, these nut kits help support increased safety margins and secure connections. Their robust construction and precise threading make them suitable for demanding environments where failure is not an option. With ARP's reputation for quality and innovation, you can trust these nuts to meet or exceed industry standards.

Key Features

ARP Nut Kits are built with performance and reliability in mind, featuring several key attributes that set them apart:

• Manufactured from aerospace-quality materials such as chromoly or stainless steel, ensuring exceptional strength and corrosion resistance.
• Designed with a 12-point head style, providing increased wrench engagement and easier installation in tight spaces.
• Rated at a tensile strength of 180,000 psi, these nuts are capable of handling high-stress applications without failure.
• Polished finish enhances durability and provides a clean, professional appearance suitable for show-quality builds.
• Standard thread size of 7/16˝-20 ensures compatibility with a wide range of fasteners and components.
• Includes no washers, allowing for custom assembly configurations tailored to your specific needs.
• Not self-locking or nylon-inserted, making these nuts ideal for applications where reusability and torque adjustments are necessary.
• Wrench diameter of 1/2 inch provides ample grip for secure tightening and removal.

Construction & Design

These ARP nut kits are meticulously manufactured using aerospace-quality materials, ensuring maximum strength and durability. The 12-point head design allows for increased wrench engagement, which simplifies installation and removal, especially in confined spaces. The polished stainless steel finish not only provides corrosion resistance but also adds a sleek, professional look to your assembly. The nuts are precision-machined to exact specifications, ensuring a perfect fit and consistent torque across all fasteners.

The choice of stainless steel or chromoly construction offers excellent resistance to heat, moisture, and corrosion, making these nuts suitable for both street and racing environments. Their robust design ensures they can withstand high-stress conditions, supporting the integrity of your assembly over time.

Performance & Benefits

Designed for high-performance applications, ARP Nut Kits provide peace of mind knowing your fasteners are rated at 180,000 psi tensile strength. Their superior material quality and precise manufacturing help prevent stripping, loosening, or failure under demanding conditions. These nuts are ideal for securing critical components such as cylinder heads, intake manifolds, and suspension parts, where safety and reliability are paramount.

While not self-locking, their high-quality construction ensures a secure fit when properly torqued. The polished finish resists corrosion and maintains appearance even after exposure to harsh environments, making them suitable for both daily drivers and race cars.

Installation & Fitment

Installing these ARP nut kits is straightforward, thanks to their standard 7/16˝-20 thread size and 1/2 inch wrench diameter. They are designed as bolt-on components that require no special modifications or tools beyond a standard wrench or socket. Proper torque specifications should be followed to ensure optimal clamping force and safety. No washers are included, so you can select the appropriate hardware or spacers based on your application.

These nuts are compatible with a variety of fasteners and components that utilize 7/16˝-20 threads, making them versatile for many automotive and industrial projects. Their high tensile strength and precise threading help ensure a secure, long-lasting connection.

What's Included

• Complete set of stainless steel 12-point nuts with 7/16˝-20 threads

Ideal For

• High-performance engine builds
• Automotive restorations and custom projects
• Race cars and off-road vehicles
• Industrial machinery requiring durable fasteners
• Any application demanding high tensile strength and corrosion resistance

Emissions Note

This product is a fastener component and does not impact vehicle emissions. It is intended for use in applications where emissions compliance is not affected.