ARP Nut Kits

2011–2025 Subaru Forester / Subaru Impreza / Subaru WRX / Subaru STI 7/16˝-14 Nut Kit

Part #: 401-8346

Overview

The ARP Nut Kits are high-quality, aerospace-grade fasteners designed to provide reliable and secure connections for a variety of automotive applications. Crafted from premium materials, these nuts are ideal for enthusiasts and professionals seeking durable, high-tensile fasteners that can withstand demanding conditions. Whether you're building a performance engine, upgrading suspension components, or customizing your vehicle, ARP nuts offer peace of mind with their exceptional strength and precision engineering.

Designed for street, track, and off-road use, these nut kits help ensure your components stay securely fastened under high loads and vibrations. The 12-point style heads allow for easier installation and removal in tight spaces, making them a versatile choice for a wide range of automotive projects. With their polished finish and robust construction, ARP nut kits combine functionality with a sleek appearance, enhancing both performance and aesthetics of your vehicle.

Key Features

ARP Nut Kits are engineered with the performance enthusiast in mind, offering several key features that set them apart from standard fasteners:

• Manufactured from aerospace-quality stainless steel, providing excellent corrosion resistance and durability for long-lasting performance.
• Rated at an impressive 180,000 psi tensile strength, ensuring they can handle high-stress applications without failure.
• 12-point style heads facilitate easier wrench engagement in tight or hard-to-reach areas, reducing installation time and effort.
• Polished finish not only enhances appearance but also provides an additional layer of corrosion protection.
• Designed without nylon inserts or self-locking features, making them suitable for applications where reusability and high strength are critical.
• Available in various sizes to meet a broad spectrum of fastening needs across different vehicle models and components.
• Washers are not included, allowing for customization based on specific application requirements.
• Ideal for securing engine components, suspension parts, or any application requiring high-tensile fasteners.

Construction & Design

The ARP Nut Kits are meticulously manufactured using aerospace-grade stainless steel, ensuring exceptional strength and corrosion resistance. The 12-point head design provides a secure grip with less chance of stripping or rounding off, especially in tight spaces. The polished finish not only adds a professional look but also helps resist rust and corrosion, making these nuts suitable for both daily driving and extreme conditions. Their precise threading and high tensile strength make them a reliable choice for demanding automotive builds and repairs.

Installation & Fitment

Installing the ARP Nut Kits is straightforward, thanks to their standard 7/16˝-14 thread size and 12-point head design. They are compatible with a wide range of automotive applications, including engine components, suspension parts, and chassis fasteners. No special tools are required beyond standard wrenches or sockets. These nuts are designed to thread easily onto compatible ARP bolts or studs, providing a secure and reliable fit. As they do not include washers, you can select the appropriate washers for your specific application if needed. No cutting, drilling, or special tuning is required for installation.

What's Included

• Complete set of stainless steel 12-point nuts with polished finish

Ideal For

• Performance automotive builds and upgrades
• Engine and suspension assembly
• High-stress fastening applications
• Enthusiasts seeking durable, corrosion-resistant fasteners