ARP 12pt Hardware Kit

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

Part #: 643-2000

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 builds. Whether you're assembling a performance engine, upgrading your suspension, or securing critical components, these ARP chromoly bolts provide exceptional strength and reliability. Crafted with precision and engineered for durability, this hardware kit ensures your vehicle's assembly is both secure and long-lasting.

Ideal for street, spirited driving, or off-road applications, the ARP 12pt Hardware Kit offers peace of mind by utilizing top-tier materials and manufacturing standards. You’ll get a robust fastening solution that supports increased safety margins and helps prevent hardware failure under demanding conditions. This kit is perfect for those who want to maintain the integrity of their build with hardware that exceeds OEM standards.

Key Features

The ARP 12pt Hardware Kit stands out with its high-quality construction and thoughtful design, making it a must-have for serious automotive projects. Key features include:

• Manufactured from heat-treated 8740 chromoly steel, providing exceptional tensile strength and durability for demanding applications.
• Black oxide finish offers corrosion resistance and a sleek appearance, suitable for both performance and show vehicles.
• Nominally rated at 180,000 psi tensile strength, offering a significant safety margin over standard Grade 8 hardware.
• Designed with 12-point (12pt) head configuration for increased wrench engagement, reducing the risk of stripping during installation or removal.
• Available in a wide range of thread sizes and head styles, allowing customization for various applications across different vehicle models.
• Precision-machined to strict tolerances, ensuring proper fitment and ease of installation.
• Ideal for use in engine assembly, suspension components, or any critical fastener application where strength and reliability are paramount.

Construction & Design

The ARP 12pt Hardware Kit is crafted from premium-grade 8740 chromoly steel, a material renowned for its high strength-to-weight ratio and excellent toughness. Each fastener undergoes a rigorous heat-treating process to achieve a tensile strength rating of 180,000 psi, ensuring they can withstand the stresses of high-performance driving. The black oxide finish not only enhances corrosion resistance but also provides a professional, finished appearance suitable for both daily drivers and show cars.

The 12-point head design allows for better wrench access in tight spaces, reducing the risk of stripping and making installation and removal more straightforward. The precision machining and strict manufacturing tolerances guarantee a proper fit, minimizing the risk of hardware failure and ensuring your vehicle's components stay securely fastened under demanding conditions.

Performance & Reliability

Designed for high-performance applications, these ARP chromoly bolts provide a substantial safety margin over standard hardware, supporting your vehicle's increased horsepower and torque capabilities. Whether you're building a turbocharged engine, upgrading your suspension, or securing critical components, these fasteners help ensure your build remains reliable and safe. Their high tensile strength and corrosion-resistant finish make them suitable for both street and off-road environments, where durability is essential.

Installation & Fitment

The ARP 12pt Hardware Kit is a bolt-on solution that requires no special tools beyond standard wrenches or sockets. Its precise dimensions and high-quality manufacturing ensure a straightforward installation process. Always follow the manufacturer's torque specifications to achieve optimal clamping force and safety. No cutting, drilling, or special tuning is required, making it an easy upgrade for your vehicle's hardware.

• Compatible with a wide range of automotive applications requiring 7/16˝-14 thread fasteners.
• Suitable for engine assembly, suspension, and other critical fastening points.

What's Included

• Complete set of ARP 12pt chromoly bolts in various sizes and lengths as specified for your application
• All necessary hardware components for installation
• Instruction sheet for proper installation and torque specifications

Ideal For

• Performance enthusiasts building or upgrading their vehicles
• Professional mechanics and automotive shops
• Off-roaders requiring durable, high-strength fasteners
• Anyone seeking reliable, high-quality hardware for critical applications

Emissions Note

This hardware kit is intended for off-road or race use only and is not emissions-compliant. Always verify local regulations before installation on a street vehicle.