ARP Hex Bolt Kits

2010–2025 Subaru Forester / Toyota Camry / Honda Civic / Ford F-150 5/16˝-18 SAE Bolt Kit

Part #: 641-2000

Overview

The ARP Hex Bolt Kits are premium-quality fasteners designed to provide reliable and high-strength fastening solutions for a wide range of automotive, marine, and trailer applications. Crafted from top-grade materials and heat-treated for maximum durability, these bolts are ideal for enthusiasts and professionals seeking to upgrade or replace factory hardware with components that offer enhanced safety margins and longevity.

Whether you're performing a performance build, restoring a classic, or simply replacing worn or damaged fasteners, these ARP bolts deliver consistent performance and peace of mind. Their robust construction ensures they can handle demanding conditions, making them suitable for daily driving, spirited street use, or off-road adventures.

Key Features

ARP Hex Bolt Kits are engineered with precision and quality to meet the highest standards of strength and reliability. Here are some of the key features that make these fasteners a top choice for your project:

• Manufactured from ARP's proprietary 8740 chromoly steel, known for its exceptional strength and toughness.
• Heat-treated to a tensile strength of 180,000 psi, providing a substantial safety margin over standard Grade 8 hardware.
• Black oxide finish offers corrosion resistance and a sleek, professional appearance.
• Available in a wide range of thread sizes, head styles, and configurations to suit various applications.
• Designed for easy installation with standard hex drive, ensuring secure tightening and removal.
• Perfect for use in engine components, suspension, chassis, or any critical fastening point requiring high strength and reliability.
• Manufactured and tested to meet or exceed industry standards for quality and safety.
• Suitable for automotive, boat, trailer, and other heavy-duty applications where high tensile strength fasteners are required.
• Backed by ARP's reputation for precision manufacturing and durability, ensuring long-lasting performance.

Construction & Design

These ARP hex bolts are crafted from ARP's proprietary 8740 chromoly steel, a material renowned for its superior strength-to-weight ratio and toughness. The bolts undergo a specialized heat-treating process that enhances their tensile strength to 180,000 psi, ensuring they can withstand high-stress environments without failure. The black oxide finish not only provides corrosion resistance but also reduces glare and adds a professional appearance to your assembly.

The design features a standard hex head, allowing for easy installation and removal using common tools. The precise threading and manufacturing tolerances ensure a secure fit and consistent torque application, reducing the risk of stripping or loosening over time. These fasteners are engineered to meet or surpass industry standards, making them a reliable choice for critical applications.

Performance & Application

With their high tensile strength and durable construction, ARP Hex Bolt Kits are designed to support increased safety margins and performance in demanding conditions. They are ideal for use in engine assembly, suspension components, chassis mounting, and other high-stress areas. Their corrosion-resistant finish ensures longevity even in harsh environments, such as exposure to moisture or salt.

Installation & Fitment

Installing these ARP hex bolts is straightforward, thanks to their standard hex head design. They are compatible with common tools and do not require special equipment. No cutting, drilling, or complex modifications are necessary for most applications. For optimal performance, torque specifications should be followed according to your vehicle or application guidelines.

• Easy bolt-on installation with standard tools
• No cutting, drilling, or special modifications required in most cases
• Ensure proper torque to achieve optimal clamping force and safety

What's Included

• Complete set of ARP hex bolts in the specified thread size and length
• All necessary hardware for installation
• Instruction sheet for proper torque and installation tips

Ideal For

• Performance automotive builds
• Engine and chassis assembly
• Restoration projects requiring high-strength fasteners
• Marine and trailer applications demanding corrosion resistance
• Off-road and heavy-duty use where reliability is critical

Emissions Note

These ARP Hex Bolt Kits are designed for off-road, racing, or recreational use and may not be legal for street use in all jurisdictions. Please check local regulations before installation if emissions compliance is a concern.