ARP Half Inch Thirteen UNC Pan Bolt Premium Painted Model 1346902

Description

Product Overview

The ARP 1/2‑13 UNC pan head bolt is engineered for the most demanding automotive environments, offering a combination of premium grade material, a robust painted finish, and Grade 8 strength. Crafted from high‑quality alloy steel, the bolt provides exceptional tensile strength and resistance to fatigue, ensuring that critical engine components remain securely fastened under extreme pressure and temperature fluctuations. The pan head design distributes load evenly across the fastening surface, reducing the risk of deformation and providing a smooth, low‑profile appearance that integrates seamlessly with surrounding hardware.

Measuring a standard 1/2‑13 UNC thread size, this bolt conforms to industry specifications while delivering superior performance characteristics that exceed typical fasteners. The painted exterior finish not only adds a corrosion‑resistant barrier but also contributes to a clean, professional look that matches the aesthetic of high‑end performance engines. With a weight of just 11.5 ounces, the bolt offers a balance of strength and manageable handling, making installation straightforward for both seasoned mechanics and dedicated hobbyists.

Additional specifications include a pan style fastener type, a 2A thread class for precise fit, and a Grade 8 hardness rating that guarantees durability over the lifespan of the vehicle. The product is manufactured in the United States, reflecting ARP’s commitment to domestic production standards and rigorous quality control processes. Whether you are rebuilding a classic engine or upgrading a modern powertrain, this bolt provides the reliability and performance needed for successful outcomes.

Usage

This pan head bolt is ideally suited for a variety of automotive applications, including engine block assembly, cylinder head installation, and performance upgrades where high torque values are required. Its Grade 8 rating makes it an excellent choice for high‑compression engines, turbocharged setups, and racing environments where every component must withstand intense forces. The painted finish ensures that the bolt remains protected against rust and chemical exposure, even in harsh under‑hood conditions.

Mechanics and enthusiasts alike will appreciate the ease of installation provided by the pan head design, which allows for efficient torque application using standard socket and wrench tools. The bolt’s precise UNC thread profile ensures a secure fit with compatible nuts and studs, minimizing the chance of thread stripping or loosening over time. For best results, apply a suitable thread locker or anti‑seize compound as recommended by the vehicle manufacturer to further enhance joint stability.

Why Choose Us

Choosing ARP means selecting a brand with a long history of engineering excellence and a reputation for delivering high‑performance fasteners that meet the rigorous demands of motorsports and street applications alike. Each bolt undergoes a comprehensive testing regimen, including tensile strength verification, hardness testing, and corrosion resistance evaluation, ensuring that every unit meets or exceeds industry standards.

Our commitment to quality extends beyond the manufacturing floor. We provide dedicated customer support, technical assistance, and a clear warranty policy that gives you confidence in your purchase. When you buy this ARP pan head bolt, you are investing in a product that has been designed, tested, and refined by engineers who understand the critical role of fasteners in engine reliability and performance.

Key Features

• Premium grade alloy steel delivers exceptional strength and durability.
• Painted finish provides corrosion resistance and a clean appearance.
• Grade 8 hardness ensures reliable performance under high torque loads.
• Pan head design simplifies installation and distributes load evenly.
• Comprehensive customer support and warranty for peace of mind.

FAQ

What makes the ARP pan head bolt suitable for high‑performance engines?

The bolt combines a premium alloy steel composition with a Grade 8 hardness rating, offering superior tensile strength and fatigue resistance. Its painted finish protects against corrosion, while the pan head design ensures even load distribution, making it ideal for engines that operate under high pressure and temperature.

Can I use this bolt in a turbocharged application?

Yes. The ARP 1/2‑13 UNC pan head bolt is specifically engineered for demanding environments, including turbocharged and supercharged engines. Its robust construction and precise thread profile provide the confidence needed for high‑boost scenarios where fastener failure is not an option.

Do I need to apply a thread locker when installing this bolt?

While the bolt’s design offers excellent torque retention, applying a suitable thread locker or anti‑seize compound is recommended for critical applications. This extra step helps prevent loosening due to vibration and ensures a secure, long‑lasting connection.

Is this bolt compatible with standard automotive nuts and studs?

Absolutely. The bolt follows the standard 1/2‑13 UNC thread specification and a 2A thread class, making it compatible with most automotive nuts and studs that adhere to the same standard. This universal fit simplifies replacement and upgrades across a wide range of vehicle models.

What warranty does ARP provide for this product?

ARP offers a limited warranty that covers manufacturing defects and material failures. Detailed warranty information is included with the product packaging, and our customer service team is available to assist with any questions or concerns you may have regarding coverage.