ARP 12pt Hardware Kit

2010–2025 Universal Application / Automotive, Marine, and Trailer Use

Part #: 641-3500

Overview

The ARP 12pt Hardware Kit is a premium fastener solution designed for automotive enthusiasts, builders, and professionals who demand the highest quality hardware for their projects. Whether you're assembling a high-performance engine, securing trailer components, or outfitting a boat, these ARP chromoly bolts provide unmatched strength and durability. Engineered with precision and built to withstand demanding conditions, this hardware kit ensures your installations are secure, reliable, and long-lasting.

If you value safety, performance, and peace of mind, the ARP 12pt Hardware Kit offers a significant upgrade over standard hardware. Its superior tensile strength and heat-treated construction make it ideal for applications where strength and reliability are critical. Perfect for both daily drivers and race vehicles, this kit helps support your vehicle’s integrity under stress and high loads.

Key Features

The ARP 12pt Hardware Kit stands out with its high-quality materials and meticulous manufacturing process. Here are some of its key features:

• Constructed from 8740 chromoly steel, a material renowned for its exceptional strength and toughness, ensuring your fasteners can handle high-stress environments.
• Heat-treated to a tensile strength of 180,000 psi, providing a substantial safety margin over standard Grade 8 hardware, making it suitable for demanding automotive and industrial applications.
• Black oxide finish offers corrosion resistance and a sleek, professional appearance, suitable for both visible and hidden applications.
• Designed with a 12-point (12pt) head configuration, allowing for increased torque application and easier installation in tight spaces.
• Available in a wide range of thread sizes and head styles, making it versatile for various fastening needs across different projects.
• Precision-machined to ensure proper fitment and consistent performance, reducing the risk of stripping or failure.
• Ideal for use in engine assembly, suspension components, trailer hardware, and marine applications where strength and reliability are paramount.
• Manufactured by ARP, a trusted leader in high-performance fasteners with decades of experience and a reputation for quality and innovation.
• Designed for enthusiasts and professionals who want to ensure their hardware can support increased power, torque, and operational demands.

Construction & Design

The ARP 12pt Hardware Kit is crafted from premium-grade 8740 chromoly steel, a material selected for its superior strength-to-weight ratio and toughness. The fasteners undergo a rigorous heat-treatment process to achieve a tensile strength of 180,000 psi, ensuring they can withstand high loads and stress without deformation or failure. 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 allows for better grip and torque application, especially in tight or hard-to-reach areas. This design reduces the risk of stripping and makes installation and removal easier, even with limited access. Precision machining ensures each fastener meets strict dimensional standards, providing a reliable fit and consistent performance across the entire kit.

Performance & Reliability

Built for demanding environments, the ARP 12pt Hardware Kit offers exceptional strength and durability. Its high tensile strength and heat-treated construction make it suitable for high-performance engine builds, suspension upgrades, and trailer assemblies where safety and reliability are critical. The black oxide finish helps prevent corrosion, extending the lifespan of the fasteners even in harsh conditions such as marine or off-road environments.

Installation & Fitment

This hardware kit is designed for straightforward, bolt-on installation. Its precise dimensions and high-quality machining ensure a secure fit with compatible components. No special tools or modifications are typically required beyond standard hand tools. Always follow manufacturer torque specifications to ensure proper fastening and safety. The ARP 12pt Hardware Kit is suitable for a wide range of applications, including automotive, marine, and trailer assemblies, making it a versatile choice for your projects.

• Easy to install with standard hand tools
• No cutting, drilling, or special modifications needed
• Suitable for high-stress applications requiring reliable fasteners

What's Included

• Complete set of high-strength 12-point bolts in various sizes
• Matching nuts and washers (if applicable)
• Installation instructions and technical specifications

Ideal For

• Engine builders and performance enthusiasts
• Trailer and towing hardware upgrades
• Marine applications requiring corrosion-resistant fasteners
• Automotive repair and restoration projects
• Any application demanding high tensile strength and durability

Emissions Note

This product is designed for off-road, racing, or industrial use only and may not be legal for use on public roads in certain jurisdictions. Please check local regulations before installation.