ARP 12pt Hardware Kit

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

Part #: 673-1009

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, restoring a classic car, or securing components on a boat or trailer, this kit provides the strength and reliability you need. Crafted from top-grade materials and engineered for durability, these bolts ensure a secure fit and long-lasting performance under demanding conditions.

Ideal for both daily drivers and racing applications, the ARP 12pt Hardware Kit helps support your vehicle's integrity by providing fasteners that can withstand high stress and torque. With ARP's reputation for precision manufacturing and quality control, you can trust these fasteners to deliver consistent, reliable results every time.

Key Features

The ARP 12pt Hardware Kit offers a range of features that make it a must-have for serious automotive projects:

• Manufactured from heat-treated 8740 chromoly steel, providing exceptional strength and toughness for demanding applications.
• Black oxide finish enhances corrosion resistance and provides a sleek, professional appearance.
• Nominal tensile strength of 180,000 psi, offering a significant safety margin over standard Grade 8 hardware.
• Designed with a 12-point head configuration for increased grip and ease of installation in tight spaces.
• Available in a variety of thread sizes and head styles to suit a wide range of applications, ensuring compatibility with most fastener needs.
• Precision-machined to strict tolerances for a perfect fit and reliable torque retention.
• Suitable for use on cars, boats, trailers, and other machinery requiring high-quality fasteners.
• Ideal for performance builds, restorations, and heavy-duty applications where strength and safety are paramount.
• Backed by ARP's reputation for quality and innovation in fastener manufacturing.

Construction & Design

The ARP 12pt Hardware Kit is constructed from 8740 chromoly steel, a material renowned for its excellent strength-to-weight ratio and durability. Each fastener is carefully heat-treated to achieve a tensile strength of 180,000 psi, ensuring they can withstand high torque loads and operational stresses. The black oxide finish not only provides corrosion resistance but also helps prevent galling and seizing during installation and removal.

The 12-point head design offers increased engagement with tools, reducing the risk of stripping and allowing for easier installation in confined spaces. Precision machining ensures each bolt maintains tight tolerances, providing a secure fit and consistent performance. Whether used in engine assembly, chassis work, or accessory mounting, these fasteners are engineered for reliability and longevity.

Installation & Fitment

The ARP 12pt Hardware Kit is designed for straightforward installation. The precise thread dimensions and high-quality machining allow for easy threading and tightening with standard tools. No special modifications or tuning are required to use these fasteners, making them suitable for a wide range of applications. Always follow ARP's recommended torque specifications to ensure proper clamping force and safety.

• Compatible with a variety of automotive, marine, and trailer components requiring M10 x 1.25 fasteners.
• Suitable for use in high-stress environments where strength and reliability are critical.

What's Included

• Complete set of M10 x 1.25 chromoly bolts with 12-point heads
• All necessary hardware for installation
• Comprehensive instructions for proper torque and application

Ideal For

• Engine assembly and rebuilds
• Chassis and suspension work
• Restoration projects requiring high-strength fasteners
• Marine and trailer applications demanding corrosion-resistant hardware
• Performance enthusiasts seeking reliable, safety-rated fasteners