ARP 12pt Hardware Kit

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

Part #: 674-1008

Overview

The ARP 12pt Hardware Kit is a premium fastener solution designed for automotive, marine, and trailer applications where strength, durability, and reliability are critical. Whether you're assembling a high-performance engine, securing components on your boat, or building a trailer that needs to withstand tough conditions, this hardware kit provides the quality and performance you demand. Crafted from top-grade materials, these bolts ensure a secure fit and long-lasting performance, giving you confidence in every application.

If you're a performance enthusiast, professional mechanic, or a dedicated DIYer, you'll appreciate the precision engineering and robust construction of these fasteners. They are engineered to support your vehicle or equipment's structural integrity, helping prevent failures and ensuring safety during operation. The ARP 12pt Hardware Kit is an essential upgrade over standard hardware, offering increased safety margins and peace of mind in demanding environments.

Key Features

The ARP 12pt Hardware Kit stands out for its superior materials and meticulous manufacturing process. Here are some of the key features:

• Material Excellence: Made from ARP's proprietary 8740 chromoly steel, these fasteners are heat-treated to achieve exceptional strength and toughness, providing a tensile strength rating of 180,000 psi. This high-strength material ensures the bolts can handle significant loads and stress without failure.
• Heat Treatment & Finish: The bolts undergo a specialized heat-treating process to optimize durability and fatigue resistance. They feature a black oxide finish that offers corrosion resistance and a sleek appearance, suitable for both performance and aesthetic purposes.
• Precision Threading: The M12 x 1.5 metric thread size ensures compatibility with a wide range of applications. The threads are precisely machined for smooth installation and secure engagement, reducing the risk of stripping or cross-threading.
• Design & Compatibility: The 12-point (12pt) head design allows for better torque application and easier installation in tight spaces. These bolts are versatile and can be used in various applications, including engine assembly, mounting brackets, and structural components.
• Safety Margin: Rated well above Grade 8 hardware, these fasteners provide an extra margin of safety, making them ideal for high-stress environments where reliability is paramount.
• Wide Range of Options: Available in various sizes, head styles, and configurations, ARP fasteners are suitable for custom builds, restorations, or upgrades requiring high-quality hardware.

Construction & Design

The ARP 12pt Hardware Kit features a one-piece, heat-treated chromoly steel construction that ensures maximum strength and durability. The black oxide finish not only enhances corrosion resistance but also provides a professional, finished look. The 12-point head design allows for increased torque application and easier access in confined spaces, making installation straightforward even in tight engine bays or assembly areas. These fasteners are manufactured with precision machining and strict quality control standards, ensuring consistent performance and fitment across all applications.

Installation & Fitment

The ARP 12pt Hardware Kit is designed for easy, bolt-on installation. The precise threading and high-quality materials ensure a secure fit with minimal effort. These fasteners are compatible with standard M12 x 1.5 threaded components and do not require special tools beyond standard wrenches or sockets. No cutting, drilling, or special tuning is necessary. Simply replace your existing hardware with these premium bolts for an upgrade in strength and reliability.

• Easy bolt-on installation with standard tools
• No cutting, drilling, or tuning required
• Suitable for a wide range of automotive, marine, and trailer applications

What's Included

• Complete set of ARP 12pt chromoly bolts in the specified size and quantity
• All necessary hardware components for installation
• Installation instructions (if applicable)

Ideal For

• Performance automotive builds
• Marine applications requiring high-strength fasteners
• Trailer construction and repair
• Enthusiasts seeking reliable, high-quality hardware for demanding environments