ARP Hex Bolt Kits

2010–2025 Universal / Automotive M12 x 1.50 Metric Thread Bolt Kit

Part #: 664-1002

Overview

The ARP Hex Bolt Kits are high-quality fasteners designed to provide reliable, durable, and precise fastening solutions for a wide range of automotive, marine, and trailer applications. Crafted from premium materials and engineered for strength, these bolts are ideal for enthusiasts and professionals seeking to ensure the integrity of their assemblies under demanding conditions. Whether you're performing a custom build, repair, or upgrade, these ARP bolts deliver peace of mind with their superior tensile strength and corrosion resistance.

Designed for versatility, the ARP Hex Bolt Kits are perfect for use in engine components, chassis assemblies, or any application requiring a robust and dependable fastener. Their black oxide finish not only enhances corrosion resistance but also provides a sleek, professional appearance. With a nominal tensile strength of 180,000 psi, these bolts offer a significant safety margin over standard Grade 8 hardware, making them suitable for high-stress environments and performance applications.

Key Features

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

• Premium Material: Made from ARP's proprietary 8740 chromoly steel, these bolts combine exceptional strength with excellent toughness, ensuring long-lasting performance.
• Heat Treatment: The bolts are carefully heat-treated to achieve a tensile strength of 180,000 psi, providing a substantial margin of safety for critical applications.
• Corrosion Resistance: The black oxide finish offers enhanced resistance to rust and corrosion, extending the service life of the fasteners in harsh environments.
• Precision Manufacturing: Manufactured to strict tolerances, ensuring consistent quality, proper fitment, and reliable clamping force.
• Flanged Hex Head: The flanged head design distributes load evenly, reducing the risk of bolt head deformation and ensuring secure fastening.
• Versatile Compatibility: Suitable for a wide range of automotive, marine, and trailer applications requiring M12 x 1.50 thread size.
• Easy Installation: The hex head allows for straightforward tightening with standard tools, facilitating quick and secure assembly.

Construction & Design

The ARP Hex Bolt Kits feature a robust construction designed for demanding environments. The 8740 chromoly steel used in these fasteners is renowned for its high strength-to-weight ratio and durability. The bolts are precisely machined to ensure accurate thread engagement and proper fitment across various applications. The black oxide finish not only provides corrosion resistance but also minimizes glare and enhances aesthetic appeal. The flanged hex head design ensures even load distribution and reduces the risk of bolt head stripping or deformation during tightening.

Installation & Fitment

The ARP Hex Bolt Kits are designed for straightforward, bolt-on installation. They utilize standard hex heads compatible with common tools, allowing for quick and secure fastening. No special modifications, cutting, or drilling are required for most applications, making them an excellent choice for both professional mechanics and DIY enthusiasts. Proper torque specifications should be followed to ensure optimal clamping force and safety.

• Compatible with a wide range of automotive, marine, and trailer applications requiring M12 x 1.50 fasteners.
• Suitable for use in engine components, chassis assemblies, and other high-stress environments.

What's Included

• Complete set of ARP Hex Bolts made from 8740 chromoly steel
• Black oxide finish for corrosion resistance
• Installation instructions (if applicable)

Ideal For

• Performance automotive builds and upgrades
• Marine and trailer applications requiring high-strength fasteners
• Engine and chassis assembly repairs
• Enthusiasts seeking reliable, durable hardware for demanding conditions