ARP 12pt Hardware Kit

2010–2025 Universal Fit for Automotive, Marine, and Trailer Applications

Part #: 741-2750

Overview

The ARP 12pt Hardware Kit is a premium-quality fastener solution designed for automotive enthusiasts, builders, and professionals who demand strength, reliability, and durability in their hardware. Whether you're assembling a high-performance engine, securing trailer components, or outfitting a boat, these ARP chromoly bolts provide a superior alternative to standard hardware. Engineered with precision and built to withstand demanding conditions, this kit ensures your project maintains integrity and safety over time.

Ideal for those who prioritize quality and safety, the ARP 12pt Hardware Kit offers a robust fastening solution that supports a wide range of applications. Its high tensile strength and heat-treated construction make it suitable for both daily drivers and high-stress environments, giving you confidence in every bolt you install.

Key Features

The ARP 12pt Hardware Kit stands out with its exceptional materials and craftsmanship, delivering performance benefits that surpass typical hardware options. Here are some of the key features:

• Premium Material: Made from ARP's proprietary 8740 chromoly steel, these fasteners are heat-treated to achieve a tensile strength of 180,000 psi, providing a significant safety margin over standard Grade 8 hardware.
• Heat Treatment & Finish: The bolts are meticulously heat-treated for maximum strength and feature a durable black oxide finish that offers corrosion resistance and a sleek appearance.
• Versatile Thread Size: The kit includes 5/16" - 24 SAE bolts, suitable for a wide range of automotive, marine, and trailer applications.
• Reliable Fastening: Designed for high-stress environments, these fasteners help ensure your components stay securely in place, even under extreme conditions.
• Wide Range of Options: Available in various head styles and sizes, allowing customization for specific project needs.
• Precision Manufacturing: ARP's manufacturing process guarantees consistent quality, fit, and finish for every bolt.

Construction & Design

The ARP 12pt Hardware Kit features high-strength 8740 chromoly steel, a material renowned for its toughness and durability. Each fastener undergoes a rigorous heat-treating process to optimize tensile strength and fatigue resistance. The black oxide finish not only enhances corrosion resistance but also provides a professional, finished look suitable for visible applications. The 12-point (12pt) head design allows for increased torque application and easier installation in tight spaces, making it a versatile choice for various assembly tasks.

Designed with precision and attention to detail, these bolts are engineered to provide a secure fit and long-lasting performance. The wide range of thread sizes and head styles ensures compatibility with many standard and custom applications, making them a reliable choice for builders and mechanics alike.

Performance & Use

While these fasteners are not designed to provide specific horsepower or torque gains, their superior material properties and manufacturing quality ensure that your assemblies are held together securely and safely. They are ideal for high-stress components, engine assemblies, suspension parts, and trailer hardware, where strength and reliability are critical.

Installation & Fitment

The ARP 12pt Hardware Kit is designed for straightforward, bolt-on installation. Its standard SAE thread size ensures compatibility with existing hardware and components. No special tools beyond a standard wrench or socket are required for installation. Due to their high-quality construction, these bolts can be torqued to manufacturer specifications, providing a secure and reliable fastening solution. Always follow proper torque procedures to ensure optimal performance and safety.

• Easy to install with common hand tools
• No cutting, drilling, or special modifications required

What's Included

• Complete set of 5/16" - 24 SAE bolts in various lengths and head styles (as specified)
• All necessary hardware for installation
• Instruction sheet for proper torque and installation tips

Ideal For

• Automotive engine assembly and repairs
• Trailer hardware and securing components
• Marine applications requiring corrosion-resistant fasteners
• High-stress mechanical assemblies
• Custom builds and restorations where strength and reliability matter

Emissions Note

This hardware kit is intended for off-road, racing, or recreational use only and is not designed for emissions-critical applications. Always verify compatibility with your specific project requirements.