ARP Hex Bolt Kits

Applicable for various automotive, marine, and trailer applications

Part #: 665-1003

Overview

The ARP Hex Bolt Kits are high-quality fasteners designed to provide reliable and durable fastening solutions for a wide range of vehicles and equipment. Crafted from premium materials and engineered for strength, these bolts are ideal for enthusiasts and professionals seeking to ensure safety and performance in their builds. Whether you're assembling engine components, securing chassis parts, or performing custom modifications, these ARP bolts deliver peace of mind with their superior tensile strength and precision manufacturing.

Designed for versatility, the ARP Hex Bolt Kits are suitable for use on cars, boats, trailers, and other machinery where high-strength fasteners are required. Their robust construction helps support increased load demands and provides a substantial safety margin over standard hardware, making them a trusted choice for demanding applications. If you value quality, durability, and consistent performance, these ARP bolts are an excellent addition to your toolkit.

Key Features

ARP Hex Bolt Kits incorporate advanced engineering and premium materials to ensure maximum strength and reliability. Key features include:

• Material Excellence: Made from 8740 chromoly steel, these bolts are heat-treated to achieve a tensile strength of 180,000 psi, providing exceptional durability and safety margin over typical Grade 8 hardware.
• Heat Treatment: The specially heat-treated chromoly construction enhances toughness and resistance to fatigue, ensuring long-lasting performance under demanding conditions.
• Finish: A black oxide finish not only provides corrosion resistance but also offers a sleek, professional appearance suitable for visible engine bays and custom builds.
• Thread Size & Pitch: M12 x 1.75 metric thread ensures compatibility with a wide range of applications, from automotive to marine and trailer assemblies.
• Flanged Hex Head: The flanged head design distributes load evenly and simplifies installation with a standard hex wrench, reducing the risk of stripping or damage during tightening.
• Underhead Length: 35mm length provides ample engagement for secure fastening without excessive protrusion, suitable for various assembly depths.
• Application Versatility: These bolts are ideal for high-stress environments, including engine assembly, suspension components, and structural attachments.
• Safety Margin: Rated at 180,000 psi tensile strength, offering a significant safety margin for critical fastenings.
• Compatibility: Designed to replace or upgrade existing hardware with a premium, reliable alternative that meets or exceeds OEM standards.

Construction & Design

The ARP Hex Bolt Kits are meticulously manufactured from 8740 chromoly steel, a material renowned for its excellent strength-to-weight ratio and toughness. The bolts undergo a precise heat-treating process to achieve a tensile strength of 180,000 psi, ensuring they can withstand high loads and resist fatigue over time. The black oxide finish provides additional corrosion resistance, making these bolts suitable for both indoor and outdoor applications.

The flanged hex head design allows for easy installation and removal with standard tools, while the 35mm underhead length ensures compatibility with various assembly configurations. The metric M12 x 1.75 thread pitch is a common standard, facilitating straightforward replacement or upgrade of existing fasteners. Overall, the design emphasizes durability, ease of use, and performance, making these bolts a dependable choice for demanding automotive and industrial projects.

Installation & Fitment

Installing the ARP Hex Bolt Kits is straightforward, thanks to their standard metric thread size and familiar hex head design. These bolts are intended as direct replacements for OEM hardware or as upgrades to existing fasteners. No special tools or modifications are required for installation, making them suitable for both professional workshops and DIY enthusiasts. Ensure that the threads are clean and properly lubricated if necessary, and tighten to the manufacturer’s recommended torque specifications for optimal safety and performance.

• Easy bolt-on installation with standard tools
• No cutting, drilling, or special modifications required
• Suitable for high-stress automotive, marine, and trailer applications

What's Included

• Complete set of ARP Hex Bolt Kits with M12 x 1.75 threads
• High-strength chromoly steel construction
• Black oxide finish for corrosion resistance
• Installation instructions (if applicable)

Ideal For

• Automotive enthusiasts performing engine or chassis assembly
• Marine applications requiring durable fasteners resistant to corrosion
• Trailer and heavy-duty equipment assembly
• Professionals and DIYers seeking high-quality, reliable hardware for demanding projects