ARP 12pt Hardware Kit

2011–2025 Subaru Forester / Subaru Impreza 2.0L Turbo / 2.5L

Part #: 640-1000

Overview

The ARP 12pt Hardware Kit is a premium fastener solution designed for automotive enthusiasts and professionals who demand the highest quality hardware for their projects. Whether you're assembling a performance build, restoring a classic, or upgrading your vehicle's components, this kit provides reliable, high-strength fasteners to ensure secure and durable connections. Crafted from top-grade materials, these bolts are engineered to withstand demanding conditions, offering peace of mind during spirited driving or off-road adventures.

Ideal for use on a wide range of applications, including engine assemblies, suspension components, or custom modifications, the ARP 12pt Hardware Kit helps support increased safety margins and long-term reliability. Its robust construction and heat-treated design make it suitable for both daily drivers and performance-oriented builds, ensuring your vehicle maintains optimal integrity under stress.

Key Features

The ARP 12pt Hardware Kit offers a combination of superior materials and precision engineering, making it a trusted choice for automotive enthusiasts who prioritize quality and performance. Key features include:

• Manufactured from high-quality 8740 chromoly steel, known for its exceptional strength and toughness.
• Heat-treated to 180,000 psi tensile strength, providing a substantial safety margin over standard Grade 8 hardware.
• Black oxide finish offers corrosion resistance and a sleek appearance, suitable for both performance and aesthetic purposes.
• Designed with a 1/4˝-20 thread size, compatible with a wide variety of automotive components and accessories.
• 12-point (12pt) head design allows for increased torque application and easier access in tight spaces, reducing the risk of stripping or rounding off the fastener head.
• Available in various thread sizes and head styles to suit different applications and preferences.
• Precision-machined for consistent fitment and reliable performance across all fasteners in the kit.
• Suitable for use on cars, boats, trailers, and other machinery requiring high-strength fasteners.
• Backed by ARP's reputation for quality and durability, ensuring your hardware performs under demanding conditions.

Construction & Design

The ARP 12pt Hardware Kit is meticulously engineered using advanced manufacturing processes. The fasteners are made from 8740 chromoly steel, a material renowned for its excellent strength-to-weight ratio and durability. Each bolt undergoes a rigorous heat-treating process to achieve a tensile strength of 180,000 psi, significantly exceeding typical hardware standards. The black oxide coating not only enhances corrosion resistance but also provides a professional, finished look suitable for high-performance applications.

The 12-point head design is a key feature, allowing for better torque application and easier installation in confined or hard-to-reach areas. This design reduces the risk of stripping the fastener head during installation or removal, ensuring a secure fit every time. The precise machining and quality control standards maintained by ARP guarantee that each fastener meets strict specifications for fitment and performance, making this kit a reliable choice for demanding automotive projects.

Installation & Fitment

The ARP 12pt Hardware Kit is designed for straightforward, bolt-on installation. Its compatibility with a wide range of automotive applications makes it suitable for various projects, including engine assembly, suspension upgrades, and custom modifications. No special tools beyond standard wrenches are required, and the fasteners can be installed using common torque specifications for their size and material. Always follow manufacturer torque recommendations to ensure optimal performance and safety.

• Easy to install with standard hand tools.
• No cutting, drilling, or special modifications required.
• Suitable for use on cars, boats, trailers, and other machinery requiring high-strength fasteners.

What's Included

• Complete set of 1/4˝-20 SAE bolts in various lengths as specified for your application.
• High-strength fasteners manufactured from heat-treated chromoly steel.
• All necessary hardware for secure installation.

Ideal For

• Performance automotive builds and upgrades
• Engine and suspension assembly
• Restoration projects requiring durable fasteners
• Off-road vehicles and trailers demanding high-strength hardware
• Marine applications where corrosion resistance is important