ARP 12pt Hardware Kit

Universal Fitment for Automotive, Marine, and Trailer Applications

Part #: 641-3500

Overview

The ARP 12pt Hardware Kit is a premium fastener solution designed for enthusiasts and professionals who demand the highest quality hardware for their automotive, marine, or trailer projects. Crafted from heat-treated 8740 chromoly steel, these bolts offer exceptional strength and durability, ensuring reliable performance under demanding conditions. Whether you're assembling a high-performance engine, securing trailer components, or outfitting your boat, this hardware kit provides the confidence and safety you need.

Ideal for applications where strength, safety, and longevity are critical, the ARP 12pt Hardware Kit is engineered to support your most ambitious builds. Its black oxide finish not only enhances corrosion resistance but also provides a sleek, professional appearance. With a nominal tensile strength of 180,000 psi, these fasteners deliver a substantial safety margin over standard Grade 8 hardware, making them suitable for both street and off-road use.

Key Features

The ARP 12pt Hardware Kit is packed with features that make it a top choice for demanding applications:

• Constructed from heat-treated 8740 chromoly steel for maximum strength and durability.
• Black oxide finish provides corrosion resistance and a professional look.
• Nominal tensile strength of 180,000 psi ensures high safety margins for critical fasteners.
• Available in a wide range of thread sizes, head styles, and configurations to suit various needs.
• Designed for easy installation with precise thread engagement and fitment.
• Suitable for automotive, marine, trailer, and other heavy-duty applications where high-performance fasteners are required.
• Manufactured by ARP, a trusted leader in high-performance fasteners for over four decades.
• Heat-treated to exact specifications to maintain strength and integrity under stress.
• Black oxide coating helps resist rust and corrosion, extending the lifespan of your hardware.

Construction & Design

The ARP 12pt Hardware Kit features meticulously engineered fasteners made from 8740 chromoly steel, a material renowned for its exceptional strength-to-weight ratio and toughness. Each bolt is heat-treated to ensure consistent hardness and tensile properties, providing a reliable solution for high-stress environments. The black oxide finish not only enhances corrosion resistance but also reduces glare and adds a professional aesthetic to your assembly.

The 12-point (12pt) head design allows for increased wrench engagement, reducing the risk of stripping and enabling easier installation and removal in tight spaces. The precise threading and high-quality manufacturing standards ensure a secure fit and optimal load distribution, which is essential for maintaining safety and performance in critical applications.

Performance & Reliability

Designed for demanding use, these chromoly bolts support increased safety margins and superior performance compared to standard hardware. Their high tensile strength ensures they can withstand significant loads, vibrations, and thermal cycles without failure. Whether used in engine assembly, suspension components, or trailer hitch setups, the ARP hardware provides peace of mind and long-lasting reliability.

Installation & Fitment

The ARP 12pt Hardware Kit is designed for straightforward installation, compatible with standard tools and procedures. These fasteners are engineered to thread smoothly and securely into compatible components, ensuring proper torque and engagement. No special modifications or tuning are required, making them suitable for both professional and DIY enthusiasts.

• Compatible with a wide range of automotive, marine, and trailer applications.
• Designed for easy, bolt-on installation with standard hand tools.
• No cutting, drilling, or special tuning necessary.

What's Included

• Complete set of high-strength 12-point bolts in various sizes and lengths as specified for your application.
• All necessary hardware components for installation.
• Comprehensive instructions for proper torque and assembly.

Ideal For

• Performance automotive builds requiring high-quality fasteners.
• Marine applications where corrosion resistance and strength are critical.
• Towing and trailer assembly for enhanced safety margins.
• Heavy-duty industrial or custom fabrication projects.

Emissions Note

This hardware kit is designed for general use and does not impact emissions or require any legal compliance considerations. Always verify compatibility with your specific application before installation.