ARP 12pt Hardware Kit

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

Part #: 670-1009

Overview

The ARP 12pt Hardware Kit is a premium-quality fastener solution designed for automotive enthusiasts, builders, and professionals who demand the highest standards in strength, durability, and reliability. Whether you're assembling a high-performance engine, restoring a classic vehicle, or securing components on a boat or trailer, this hardware kit provides the robust fastening power needed to ensure safety and longevity.

Manufactured by ARP, a leader in high-performance fasteners, this kit features meticulously engineered bolts made from heat-treated chromoly steel, offering superior tensile strength and resistance to stress and fatigue. The M6 x 1.00 metric thread bolts are ideal for a wide range of applications where high strength and precision are critical. Designed for both professional and enthusiast use, this hardware kit helps support your vehicle's performance upgrades, custom builds, or routine maintenance with confidence.

Key Features

The ARP 12pt Hardware Kit is packed with features that set it apart from standard fasteners:

• Constructed from 8740 chromoly steel, known for its exceptional strength and toughness, ensuring long-lasting performance under demanding conditions.
• Heat-treated to a tensile strength of 180,000 psi, providing a significant safety margin over typical Grade 8 hardware, ideal for high-stress environments.
• Black oxide finish offers corrosion resistance and a sleek, professional appearance suitable for both performance and restoration projects.
• Designed with a 12-point head configuration, allowing for increased torque application and easier installation in tight or hard-to-reach spaces.
• Available in a wide range of thread sizes, head styles, and configurations to match your specific needs and application requirements.
• Precision-machined to strict tolerances, ensuring proper fitment and maximum holding power.
• Suitable for use on cars, boats, trailers, and other machinery where high-quality fasteners are essential for safety and performance.
• Backed by ARP's reputation for quality manufacturing and rigorous testing standards, providing peace of mind during installation and operation.
• Ideal for performance upgrades, custom builds, or replacing worn or damaged hardware with premium components.

Construction & Design

The ARP 12pt Hardware Kit features bolts crafted from 8740 chromoly steel, a material renowned for its high strength-to-weight ratio and excellent toughness. The bolts undergo a proprietary heat-treating process that enhances their tensile strength to 180,000 psi, ensuring they can withstand the rigors of high-performance applications. The black oxide finish not only provides corrosion resistance but also reduces glare and adds a professional appearance to your assembly.

The 12-point head design allows for better torque application and easier access in confined spaces, making installation more straightforward even in tight engine bays or machinery compartments. Each fastener is precision-machined to tight tolerances, ensuring a proper fit and reliable clamping force. This combination of materials, design, and manufacturing excellence results in fasteners that deliver consistent performance and peace of mind.

Performance & Reliability

Designed for demanding applications, the ARP 12pt Hardware Kit offers exceptional strength and durability. The high tensile strength of these bolts ensures they can support increased loads and stresses, making them suitable for high-performance engines, racing, or heavy-duty trailer setups. The corrosion-resistant finish extends the service life of the fasteners, even in harsh environments, ensuring your assembly remains secure over time.

Installation & Fitment

The ARP 12pt Hardware Kit is designed for easy, bolt-on installation. Its precise dimensions and high-quality manufacturing ensure compatibility with standard M6 x 1.00 threaded components. No special tools beyond standard wrenches are required, and the 12-point head design facilitates easier tightening and loosening in tight spaces. This kit is suitable for both professional mechanics and DIY enthusiasts looking to upgrade or replace hardware with top-tier components.

• Easy to install with standard hand tools
• No cutting, drilling, or special modifications required
• Suitable for a wide range of automotive, marine, and trailer applications

What's Included

• Complete set of M6 x 1.00 chromoly steel bolts with 12-point heads
• All necessary nuts, washers, and hardware components for comprehensive installation
• Installation instructions and product documentation

Ideal For

• High-performance engine builds and modifications
• Restoration projects requiring durable, reliable fasteners
• Marine and trailer applications demanding corrosion-resistant hardware
• Enthusiasts seeking to upgrade to premium fasteners for safety and peace of mind

Emissions Note

This hardware kit is intended for off-road, racing, or recreational use only and may not be compliant with emissions regulations for street use. Please verify local laws before installation on a vehicle used on public roads.