ARP 12pt Hardware Kit

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

Part #: 675-1002

Overview

The ARP 12pt Hardware Kit is a premium fastener solution designed for automotive, marine, and trailer applications where high-strength, reliable hardware is essential. Crafted by ARP, a leader in high-performance fasteners, this kit provides the durability and safety you need for demanding environments. Whether you're assembling a custom engine, securing trailer components, or upgrading marine hardware, this kit offers the quality and precision fitment that professionals and enthusiasts trust.

Engineered for those who demand excellence, the ARP 12pt Hardware Kit ensures a secure, long-lasting connection in critical applications. Its robust construction and heat-treated materials make it ideal for supporting increased loads and providing peace of mind during spirited driving, off-road adventures, or marine use. With this kit, you'll get the confidence that your hardware can withstand the stresses of high-performance and demanding conditions.

Key Features

The ARP 12pt Hardware Kit stands out with its superior materials and meticulous manufacturing process, offering several key benefits:

• Constructed from specially heat-treated 8740 chromoly steel, providing exceptional strength and durability for demanding applications.
• Black oxide finish offers corrosion resistance and a sleek, professional appearance suitable for both automotive and marine environments.
• Nominally rated at 180,000 psi tensile strength, providing a substantial safety margin over standard Grade 8 hardware, ensuring reliability under high stress.
• Designed with a 12-point (12pt) head configuration, allowing for better grip and easier installation in tight spaces, reducing the risk of stripping or rounding off the fastener head.
• Available in a wide range of thread sizes, head styles, and options to suit various project needs, making it a versatile choice for multiple applications.
• Precision-machined to strict tolerances for a perfect fit and consistent performance across every fastener in the kit.
• Ideal for high-performance automotive builds, trailer assembly, and marine hardware where strength and corrosion resistance are critical.
• Backed by ARP's reputation for quality and engineering excellence, ensuring you receive a product that meets or exceeds industry standards.
• Designed for easy installation with a secure fit, reducing the risk of loosening due to vibration or movement.

Construction & Design

The ARP 12pt Hardware Kit features high-quality 8740 chromoly steel, a material renowned for its toughness and ability to withstand extreme stresses. The fasteners are heat-treated to achieve a tensile strength of 180,000 psi, ensuring they can support heavy loads and resist deformation. The black oxide finish not only enhances corrosion resistance but also provides a professional, finished look suitable for visible hardware applications.

The 12-point head design allows for greater torque application and easier access in confined spaces, making installation more straightforward even in tight or hard-to-reach areas. Each fastener is precision-machined to tight tolerances, ensuring a perfect fit and reducing the risk of stripping or cross-threading. This attention to detail guarantees long-term reliability and consistent performance in critical applications.

Performance & Reliability

While this hardware kit does not specify specific load ratings or performance gains, its high-grade materials and construction make it an excellent choice for supporting the structural integrity of your vehicle, trailer, or marine assembly. The ARP chromoly bolts provide a significant safety margin over standard hardware, giving you confidence during high-stress conditions. Whether used in engine assembly, suspension components, or trailer hitch setups, these fasteners help ensure your project remains secure and reliable over time.

Installation & Fitment

The ARP 12pt Hardware Kit is designed for straightforward, bolt-on installation. Its precision-machined threads and heads ensure a secure fit with compatible nuts and washers. No special tools beyond standard wrenches are typically required, and the fasteners can be torqued to ARP's recommended specifications for optimal safety and performance. Due to the 12-point head design, installation and removal are easier in tight spaces, reducing the risk of damaging the fastener or surrounding components.

These fasteners are suitable for a wide range of applications, including automotive engine assembly, suspension mounting, trailer hardware, and marine equipment. Always verify thread sizes and specifications to ensure compatibility with your specific project.

What's Included

• Complete set of high-strength ARP chromoly bolts in the specified thread size and length
• All necessary nuts, washers, and hardware components as per the kit configuration
• Installation instructions and technical data sheet for proper torque specifications

Ideal For

• High-performance automotive builds and engine assembly
• Trailer and hitch hardware requiring durable, high-strength fasteners
• Marine applications where corrosion resistance and strength are critical
• Enthusiasts and professionals seeking reliable, long-lasting hardware for demanding environments

Emissions Note

This hardware kit is designed for general use and does not have specific emissions or legal compliance markings. It is intended for off-road, racing, or recreational applications where local regulations permit.