ARP Hex Bolt Kits

3/8˝-16 SAE Bolt Kit

Part #: 652-1000

Overview

The ARP Hex Bolt Kits are premium-quality fasteners designed for automotive, marine, and trailer applications where strength, durability, and reliability are critical. Manufactured by ARP, a recognized leader in high-performance fasteners, these hex bolts are engineered to meet the demanding needs of enthusiasts and professionals alike. Whether you're assembling a high-performance engine, securing trailer components, or performing custom modifications, these bolts provide the confidence and safety you require.

Constructed from high-grade chromoly steel and featuring a black oxide finish, these bolts are built to withstand harsh environments and heavy loads. Their heat-treated 8740 chromoly composition ensures exceptional tensile strength, rated at 180,000 psi, offering a significant safety margin over standard Grade 8 hardware. This makes them ideal for applications where strength and reliability are paramount, supporting your vehicle's performance and safety.

Key Features

ARP Hex Bolt Kits incorporate several advanced features that set them apart from standard fasteners:

• High-Strength Material: Made from 8740 chromoly steel, these bolts deliver superior tensile strength and durability, ensuring long-lasting performance under stress.
• Heat Treatment: Precision heat-treated to optimize strength and toughness, these fasteners resist stretching and failure even under extreme conditions.
• Black Oxide Finish: The corrosion-resistant black oxide coating provides additional protection against rust and corrosion, extending the lifespan of the fasteners.
• Designed for Versatility: Suitable for a wide range of applications including engine assembly, chassis modifications, and trailer hardware.
• Secure Fit: Flanged hex head design ensures a secure grip with a standard wrench or socket, facilitating easy installation and removal.
• Nominal Size: 3/8 inch diameter with 16 threads per inch, a common and versatile size for many automotive and industrial uses.
• Underhead Length: 1 inch, providing ample engagement for secure fastening.

Construction & Design

The ARP Hex Bolt Kits are meticulously engineered with precision manufacturing processes to ensure consistent quality and fitment. The one-piece chromoly steel construction guarantees strength and resistance to fatigue. The flanged hex head design allows for maximum torque application without slipping, reducing installation time and effort. The black oxide finish not only enhances corrosion resistance but also provides a sleek, professional appearance suitable for visible engine bays and custom builds.

Performance & Reliability

These fasteners are designed to support high-stress applications, providing peace of mind during spirited driving, racing, or heavy-duty use. Their high tensile strength ensures they can handle increased loads and vibrations without failure. Whether used in engine assembly, suspension components, or trailer hardware, ARP Hex Bolt Kits deliver consistent performance and safety margins that meet or exceed industry standards.

Installation & Fitment

Installing the ARP Hex Bolt Kits is straightforward thanks to their standard SAE thread size and familiar hex head design. They are intended for bolt-on applications that do not require special tools or modifications. No cutting, drilling, or complex adjustments are necessary. For optimal performance, use the appropriate socket or wrench to tighten to the recommended torque specifications for your specific application.

• Easy to install with standard hand tools
• No special modifications or tuning required
• Designed to fit most 3/8˝-16 threaded applications

What's Included

• Set of high-strength 3/8˝-16 chromoly hex bolts
• Complete hardware for secure fastening

Ideal For

• Automotive enthusiasts performing engine builds or modifications
• Trailer and equipment assembly requiring durable fasteners
• Marine applications where corrosion resistance is important
• Any project demanding high tensile strength fasteners with reliable performance

Emissions Note

This product is a high-performance fastener designed for industrial and automotive use. It is not subject to emissions regulations and is intended for off-road, racing, or recreational applications only. Proper installation and use are recommended to ensure safety and performance.