ARP 12pt Hardware Kit

3/8˝-16 SAE Bolt Kit for Automotive, Marine, and Trailer Applications

Part #: 642-1750

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 and durability. Crafted from heat-treated 8740 chromoly steel, these bolts provide exceptional tensile strength and reliability, making them ideal for critical applications on cars, boats, trailers, and more. Whether you're assembling a high-performance engine, securing chassis components, or undertaking custom fabrication, this hardware kit offers the peace of mind that comes with ARP's renowned quality.

Perfect for both daily drivers and racing applications, the ARP 12pt Bolt Kit ensures a secure fit and long-lasting performance. The black oxide finish not only enhances corrosion resistance but also provides a sleek, professional appearance. With a nominal rating of 180,000 psi tensile strength, these fasteners deliver a substantial safety margin over standard Grade 8 hardware, supporting your vehicle's performance and safety needs.

Key Features

The ARP 12pt Hardware Kit is engineered with precision and durability in mind, offering several key features that set it apart:

• Manufactured from heat-treated 8740 chromoly steel for maximum strength and toughness.
• Black oxide finish provides corrosion resistance and a professional look.
• Nominal tensile strength of 180,000 psi ensures reliable performance under demanding conditions.
• Available in a wide range of thread sizes, head styles, and configurations to suit various applications.
• Designed for easy installation with a standard 12-point (12pt) head for increased wrench engagement and reduced risk of stripping.
• Ideal for automotive, marine, trailer, and custom fabrication projects requiring high-quality fasteners.
• Manufactured by ARP, a trusted leader in high-performance fasteners for over four decades.
• Heat-treated to exact specifications, ensuring consistent quality and strength across all fasteners.
• Black oxide coating enhances durability and provides a clean, finished appearance.

Construction & Design

The ARP 12pt Hardware Kit features precision-machined bolts made from 8740 chromoly steel, a material known for its excellent strength-to-weight ratio and toughness. The fasteners undergo a rigorous heat-treatment process to achieve a tensile strength rating of 180,000 psi, ensuring they can withstand high stress and vibration without failure. The black oxide finish not only adds corrosion resistance but also reduces glare and provides a sleek aesthetic suitable for performance and show applications.

The 12-point head design allows for increased wrench engagement, making installation and removal easier in tight spaces or when working with limited access. The kit includes a variety of thread sizes and head styles, enabling versatile use across different components and assemblies. Whether used for engine fasteners, suspension hardware, or trailer components, these bolts are engineered for precision fit and long-lasting performance.

Performance & Reliability

Designed for demanding environments, the ARP 12pt Hardware Kit offers exceptional strength and durability. The high tensile strength of 180,000 psi provides a significant safety margin over standard hardware, supporting your vehicle's performance and safety. These fasteners are ideal for high-stress applications where reliability is critical, such as in racing, off-road, or heavy-duty towing scenarios. Their corrosion-resistant finish ensures longevity even in harsh conditions, maintaining their integrity over time.

Installation & Fitment

The ARP 12pt Hardware Kit is designed for straightforward, bolt-on installation. The standard 12-point head allows for easy wrench access, reducing installation time and minimizing the risk of stripping the fastener head. These bolts are compatible with standard tools and do not require special equipment or procedures. No cutting, drilling, or special tuning is necessary, making them suitable for both professional and DIY applications.

• Simply select the appropriate thread size and length for your application.
• Ensure proper torque specifications are followed to achieve optimal clamping force and safety.
• Use thread lubricant if recommended to prevent galling and ensure accurate torque application.

What's Included

• Complete set of ARP 12pt bolts in the specified thread sizes and lengths.
• All necessary hardware components for installation.
• Instruction sheet with torque specifications and installation tips.

Ideal For

• Automotive enthusiasts and racers seeking high-strength fasteners for engine, chassis, or suspension components.
• Marine applications requiring corrosion-resistant hardware.
• Trailer builders and repair professionals needing reliable, heavy-duty bolts.
• Custom fabricators and DIYers demanding quality and performance in fastener selection.

Emissions Note

This product is designed for off-road, racing, or recreational use only and may not be legal for use on public roads in all jurisdictions. Please verify local regulations before installation.