ARP 12pt Hardware Kit

2010–2025 Universal Fitment for Cars, Boats, and Trailers

Part #: 675-1004

Overview

The ARP 12pt Hardware Kit is a premium-quality fastener solution designed for automotive, marine, and trailer applications. Crafted by ARP, a recognized leader in high-performance fasteners, this kit provides reliable, durable, and high-strength hardware to ensure secure and lasting connections in your projects. Whether you're assembling a custom engine, upgrading your vehicle's components, or working on a trailer or boat, these bolts are engineered to meet the demanding needs of enthusiasts and professionals alike.

Designed with precision and quality in mind, this hardware kit is ideal for those seeking to enhance safety, reliability, and performance. The ARP 12pt bolts are perfect for applications where strength and consistency are critical, offering peace of mind during spirited driving, off-road adventures, or marine environments. With ARP's reputation for excellence, you can trust these fasteners to deliver superior performance and longevity.

Key Features

The ARP 12pt Hardware Kit features advanced materials and manufacturing processes that set it apart from standard fasteners. Here are some of the key features that make this kit a must-have for your project:

• Material and Construction: Made from heat-treated 8740 chromoly steel, these bolts offer exceptional strength and durability. The chromoly composition provides a high tensile strength of approximately 180,000 psi, ensuring they can withstand high loads and stresses.
• Finish and Corrosion Resistance: Coated with a black oxide finish, these fasteners provide corrosion resistance and a sleek appearance, making them suitable for both indoor and outdoor applications.
• Thread and Head Design: The kit includes M12 x 1.75 metric thread bolts with a 12-point (12pt) head design. The 12-point head allows for increased torque application and easier access in tight spaces, reducing the risk of stripping or rounding off the head during installation.
• Application Versatility: These bolts are compatible with a wide range of vehicles, boats, and trailers, making them a versatile choice for various projects requiring high-strength fasteners.
• Safety Margin: Rated at 180,000 psi tensile strength, these fasteners provide a significant safety margin over standard Grade 8 hardware, ensuring your assemblies remain secure under demanding conditions.
• Heat Treatment: The specially heat-treated 8740 chromoly steel enhances toughness and fatigue resistance, extending the service life of your fasteners.
• Precision Manufacturing: ARP's meticulous manufacturing process ensures consistent quality, precise thread engagement, and reliable performance in every kit.

Construction & Design

The ARP 12pt Hardware Kit is constructed from high-grade 8740 chromoly steel, a material renowned for its strength and toughness. The bolts undergo a rigorous heat-treating process to achieve optimal hardness and fatigue resistance. The black oxide finish not only provides corrosion protection but also reduces glare and enhances the aesthetic appeal of the fasteners.

The 12-point head design is engineered for maximum torque transfer and ease of installation in confined spaces. The precise machining and threading ensure a perfect fit, reducing the risk of cross-threading or stripping. These design features collectively contribute to a reliable, long-lasting fastening solution suitable for high-performance and demanding environments.

Performance & Reliability

With a tensile strength rating of approximately 180,000 psi, these ARP bolts are engineered to support high-stress applications, providing a substantial safety margin over typical hardware. Their robust construction ensures they can handle the rigors of spirited driving, off-road use, and marine conditions. The heat-treated chromoly steel offers excellent fatigue resistance, making these fasteners a dependable choice for critical assemblies.

Installation & Fitment

The ARP 12pt Hardware Kit is designed for straightforward, bolt-on installation. The precise threading and high-quality materials ensure easy assembly and disassembly without the need for special tools or modifications. These bolts are compatible with standard M12 x 1.75 threaded components and can be used in a variety of applications, including engine assembly, suspension, and structural connections. No special cutting, drilling, or tuning is required, making it a hassle-free upgrade for your project.

• Compatible with a wide range of vehicles, boats, and trailers requiring M12 x 1.75 fasteners
• Ideal for high-performance, off-road, marine, and heavy-duty applications
• Easy to install with standard tools

What's Included

• Complete set of M12 x 1.75 12-point chromoly bolts
• High-quality hardware designed for durability and performance
• Detailed installation instructions (if applicable)

Ideal For

• Automotive enthusiasts upgrading engine components or structural parts
• Marine applications requiring corrosion-resistant fasteners
• Trailer builders and repair professionals seeking high-strength hardware
• Off-road adventurers demanding reliable, durable fasteners in tough environments

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.