ARP Hex Bolt Kits

5/16˝-24 SAE Bolt Kit

Part #: 751-1250

Overview

The ARP Hex Bolt Kits are high-quality fasteners designed for a wide range of automotive, marine, and trailer applications. Crafted from premium materials and engineered for strength and durability, these bolts are ideal for enthusiasts and professionals seeking reliable, high-performance hardware. Whether you're assembling a custom engine, securing trailer components, or performing general repairs, these ARP bolts provide peace of mind with their superior tensile strength and precise manufacturing.

Designed for those who demand excellence, the ARP Hex Bolt Kits help ensure your projects are built with components that can withstand demanding conditions. Their robust construction and heat treatment process make them suitable for both daily driving and high-stress applications, supporting your vehicle's safety and performance needs.

Key Features

ARP Hex Bolt Kits incorporate several advanced features that set them apart from standard hardware. These features include:

• Premium Material: Made from 8740 chromoly steel, these bolts offer exceptional strength and toughness, making them suitable for high-stress environments.
• Heat Treatment: Carefully heat-treated to achieve a tensile strength rating of 180,000 psi, providing a significant safety margin over typical Grade 8 hardware.
• Black Oxide Finish: The durable black oxide coating enhances corrosion resistance and gives the bolts a sleek, professional appearance.
• Precision Manufacturing: Manufactured to strict tolerances, ensuring consistent fit and reliable performance across every kit.
• Versatile Application: Suitable for use on cars, boats, trailers, and other machinery requiring high-strength fasteners.
• Flanged Hex Head: Designed for easy installation with a flanged head that distributes load evenly and reduces the risk of damage during tightening.
• Nominal Size: 5/16˝-24 thread size, compatible with a wide range of standard applications.
• Underhead Length: 1.250 inches, providing ample engagement and holding power.

Construction & Design

The ARP Hex Bolt Kits are constructed from 8740 chromoly steel, a material renowned for its high strength-to-weight ratio and excellent toughness. The bolts undergo a proprietary heat treatment process that enhances their tensile strength to 180,000 psi, ensuring they can handle demanding loads and stresses. The black oxide finish not only provides corrosion resistance but also reduces glare and enhances aesthetic appeal. The flanged hex head design allows for easy installation and removal using standard tools, while the precise threading and dimensions guarantee a secure fit in your application.

Performance & Reliability

These bolts are engineered to deliver consistent performance under high-stress conditions. Their high tensile strength and durable finish make them suitable for critical fastening points where safety and reliability are paramount. Whether used in engine assemblies, suspension components, or trailer hitches, ARP hex bolts help support your vehicle's integrity and longevity. Their robust construction ensures they maintain their strength and appearance over time, even in harsh environments.

Installation & Fitment

Installing the ARP Hex Bolt Kits is straightforward, thanks to their standard 5/16˝-24 thread size and precise dimensions. These bolts are designed to be a direct replacement for OEM or other high-grade fasteners, requiring no special tools beyond standard wrenches or sockets. No additional modifications or tuning are necessary. Always ensure the bolts are tightened to the manufacturer's specified torque settings to maximize safety and performance.

• Easy bolt-on installation with standard 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 ARP Hex Bolts (quantity as specified in the kit)
• All necessary hardware for installation
• Instruction sheet for proper torque and installation procedures

Ideal For

• Automotive enthusiasts performing high-performance builds
• Marine applications requiring corrosion-resistant fasteners
• Trailer and equipment assembly where strength and safety are critical
• Professional mechanics and DIYers seeking reliable, high-quality hardware