ARP Hex Bolt Kits

3/8˝-24 SAE Bolt Kit for Automotive, Marine, and Trailer Applications

Part #: 752-3500

Overview

The ARP Hex Bolt Kits are high-quality fasteners designed to provide exceptional strength and reliability for a wide range of automotive, marine, and trailer applications. Crafted from premium chromoly steel and featuring advanced heat treatment, these bolts are engineered to withstand demanding conditions and deliver peace of mind during installation and operation. Whether you're assembling engine components, securing trailer parts, or performing custom modifications, these ARP bolts offer a robust solution that supports your vehicle's performance and safety.

Ideal for enthusiasts and professionals alike, the ARP Hex Bolt Kits are built to meet or exceed industry standards, ensuring a durable and secure fastening experience. Their black oxide finish not only enhances corrosion resistance but also provides a sleek, professional appearance in your engine bay or equipment setup. With a focus on quality and precision, ARP's fasteners help you achieve reliable, long-lasting results in your projects.

Key Features

Designed with performance and durability in mind, the ARP Hex Bolt Kits incorporate several advanced features:

• Material Excellence: Made from 8740 chromoly steel, these fasteners offer superior tensile strength and toughness compared to standard steel bolts.
• Heat Treatment: Carefully heat-treated to achieve a tensile strength rating of 180,000 psi, providing a substantial safety margin over typical Grade 8 hardware.
• Finish: Black oxide coating enhances corrosion resistance and provides a professional, finished look suitable for high-performance applications.
• Design: Flanged hex head design ensures a secure grip with a standard wrench or socket, facilitating easy installation and removal.
• Precision Manufacturing: Manufactured to strict tolerances for consistent fitment and reliable performance across various applications.
• Versatility: Suitable for use in automotive engines, boat assemblies, trailers, and other machinery requiring high-strength fasteners.
• Safety Margin: The high tensile strength provides an extra margin of safety, reducing the risk of fastener failure under stress or vibration.

Construction & Design

The ARP Hex Bolt Kits are constructed from 8740 chromoly steel, a material renowned for its exceptional strength-to-weight ratio and durability. Each bolt undergoes a proprietary heat treatment process that enhances its tensile strength to 180,000 psi, ensuring it can withstand high loads and harsh environments. The black oxide finish not only offers corrosion resistance but also minimizes galling and seizing during installation.

The flanged hex head design allows for a secure grip with standard tools, reducing the risk of stripping or slipping during tightening. The underhead length of 3.500 inches provides ample engagement for most applications, while the precise threading ensures smooth installation and removal. These features combine to produce a fastener that is both robust and easy to work with, making it a reliable choice for demanding projects.

Performance & Reliability

With a tensile strength rating of 180,000 psi, these ARP bolts are engineered to support high-stress environments, providing a significant safety margin over typical hardware. Their high-quality material and manufacturing process help prevent stretching, shearing, or failure under load. The black oxide finish further protects against rust and corrosion, extending the lifespan of the fasteners even in marine or humid conditions.

While these bolts are not designed to increase horsepower directly, their strength and reliability contribute to the overall safety and integrity of your assembly. They are an excellent choice for critical fasteners where failure could lead to costly repairs or safety concerns.

Installation & Fitment

The ARP Hex Bolt Kits are designed for straightforward, bolt-on installation. They use standard 3/8˝-24 SAE threads, compatible with a wide range of OEM and aftermarket components. No special tools or modifications are required for installation, making them suitable for both professional mechanics and DIY enthusiasts. Ensure the threads are clean and lubricated if necessary to achieve optimal torque and fastening security.

Always follow manufacturer torque specifications and guidelines to ensure proper installation. These bolts are intended for use in applications where high strength and reliability are critical, and they perform best when properly torqued to the recommended settings.

What's Included

• Complete set of ARP 3/8˝-24 SAE hex bolts with flanged heads
• High-quality black oxide finish for corrosion resistance
• Installation instructions and torque specifications (if provided)

Ideal For

• Automotive engine assembly and repair
• Marine and boat trailer applications
• High-performance and racing projects
• Heavy-duty trailer and equipment fastening
• Custom fabrication requiring high-strength fasteners

Emissions Note

These 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.