ARP Hex Bolt Kits

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

Part #: 660-1010

Overview

The ARP Hex Bolt Kits are premium-grade fasteners designed to provide reliable, high-strength fastening solutions for a wide range of automotive, marine, and trailer applications. Crafted from high-quality chromoly steel and heat-treated for maximum durability, these bolts are engineered to withstand demanding conditions while maintaining precise fitment and performance. Whether you're assembling engine components, securing trailer parts, or performing custom modifications, these ARP bolts offer the peace of mind that comes with industry-leading strength and quality.

Ideal for enthusiasts and professionals alike, the ARP Hex Bolt Kits deliver enhanced safety margins and consistent performance. Their black oxide finish not only provides corrosion resistance but also adds a sleek, professional appearance to your build. With a tensile strength rating of 180,000 psi, these fasteners are well-suited for high-stress environments, supporting your vehicle's performance and longevity.

Key Features

ARP Hex Bolt Kits are built with precision and durability in mind, featuring:

• High-strength chromoly steel construction that offers superior tensile strength and toughness.
• Heat-treated to 8740 chromoly standards, ensuring consistent mechanical properties and resistance to fatigue.
• Nominally rated at 180,000 psi tensile strength, providing a significant safety margin over standard Grade 8 hardware.
• Black oxide finish that enhances corrosion resistance and provides a professional, finished look.
• Flanged hex head design for improved torque application and reduced risk of stripping during installation.
• 65mm underhead length, suitable for a variety of mounting and fastening applications.
• Universal fitment for a broad range of vehicles, boats, and trailers requiring M6 x 1.00 metric fasteners.
• Designed for easy installation with standard tools, ensuring a secure and reliable fit every time.

Construction & Design

The ARP Hex Bolt Kits are meticulously engineered with high-quality materials and manufacturing processes. The use of 8740 chromoly steel ensures exceptional strength-to-weight ratio, making these bolts ideal for high-performance applications. The heat treatment process enhances their tensile properties, allowing them to withstand extreme loads and vibrations without failure.

The flanged hex head design provides a larger bearing surface, which helps distribute load evenly and reduces the risk of head stripping. The black oxide finish not only adds corrosion resistance but also minimizes glare and enhances the aesthetic appeal of your assembly. These bolts are precision-machined to tight tolerances, ensuring consistent thread engagement and optimal torque application for a secure, professional-grade installation.

Performance & Reliability

Designed for demanding environments, the ARP Hex Bolt Kits deliver consistent performance and peace of mind. Their high tensile strength and durable construction make them suitable for critical applications where safety and reliability are paramount. Whether used in engine assembly, chassis mounting, or trailer securing, these bolts help support your vehicle's integrity and performance over time.

Installation & Fitment

Installing the ARP Hex Bolt Kits is straightforward, thanks to their standard metric M6 x 1.00 thread size and precise manufacturing. They are designed to bolt directly into compatible threaded holes without the need for modifications. No cutting, drilling, or special tools are required, making them a convenient upgrade or replacement for existing hardware. Always torque to manufacturer specifications to ensure optimal clamping force and safety.

• Simple bolt-on installation with common hand tools.
• Compatible with a wide range of vehicles, boats, and trailers that utilize M6 x 1.00 fasteners.
• Suitable for both professional and DIY applications requiring high-strength fasteners.

What's Included

• Complete set of ARP Hex Bolts with flanged hex heads
• High-quality packaging to prevent damage during shipping
• Installation instructions (if applicable)

Ideal For

• Automotive enthusiasts performing engine builds or chassis modifications
• Marine applications requiring corrosion-resistant fasteners
• Trailer assembly and repair
• Any project demanding high-strength, reliable fasteners

Emissions Note

The ARP Hex Bolt Kits are designed for general use and are not specifically certified for emissions compliance. Always verify local regulations before installation in emissions-critical applications.