ARP Weld Bungs

AN12 Male Aluminum Weld Bung for Automotive Applications

Part #: 800-8109

Overview

The ARP Weld Bungs are high-quality, precision-machined weld-in fittings designed for a variety of automotive uses. Crafted from premium materials, these bungs are ideal for custom fabrication projects involving oil or fuel tanks, radiators, valve covers, manifolds, and rear axle housings. Whether you're building a race car, restoring a classic, or performing custom modifications, these weld bungs provide a reliable and durable solution for your plumbing needs.

Designed with the performance enthusiast in mind, ARP's weld bungs ensure a secure, leak-free connection while maintaining excellent strength and corrosion resistance. Their CNC-machined finish guarantees precise threading and a perfect fit, making installation straightforward and hassle-free. These bungs are suitable for both professional fabricators and DIY enthusiasts seeking high-quality components for custom fabrication projects.

Key Features

ARP Weld Bungs are engineered with the following features to meet the demanding needs of automotive builders and racers:

• Manufactured from CNC-machined 6061 solid aluminum billet, offering an excellent balance of strength, weight savings, and corrosion resistance.
• Available in a variety of sizes, with this model featuring an AN12 male thread size, suitable for high-performance fuel and oil systems.
• Precision CNC machining ensures consistent thread quality and a smooth, clean finish for easy welding and installation.
• Designed for weld-in applications, providing a secure and permanent connection in custom fuel, oil, or coolant systems.
• Versatile use cases include oil or fuel tanks, radiators, valve covers, manifolds, and rear axle housings, making it a versatile component for various custom fabrication needs.
• Compatible with a wide range of fluids and gases, thanks to the corrosion-resistant aluminum construction.
• Built to withstand the rigors of high-performance applications, ensuring long-lasting durability and leak-free operation.
• Ideal for race cars, off-road vehicles, or any custom project requiring reliable weld-in fittings.

Construction & Design

The ARP Weld Bungs are meticulously CNC-machined from 6061 solid aluminum billet, a material renowned for its strength, machinability, and corrosion resistance. The precision machining process guarantees consistent thread dimensions and a smooth surface finish, facilitating easy welding and installation. The AN12 male thread size is a standard fitting in high-performance fuel and oil systems, ensuring compatibility with a wide range of components.

The design of these weld bungs emphasizes durability and ease of use. They are engineered to withstand the extreme conditions of racing and high-performance driving, including high temperatures, pressures, and vibrations. The compact, robust construction ensures a secure fit and long service life, making them an essential component for custom plumbing and fluid management systems in automotive applications.

Performance & Reliability

While these weld bungs are not designed to provide specific performance gains, their high-quality construction ensures a reliable, leak-free connection in critical fluid systems. They help support the integrity of your custom fuel, oil, or coolant lines, contributing to overall vehicle safety and performance. Their corrosion-resistant aluminum construction ensures longevity, even in harsh environments.

Installation & Fitment

Installing the ARP Weld Bungs is straightforward for experienced fabricators. The process involves welding the bung into a pre-drilled hole in your chosen component, such as a tank or manifold. No additional modifications or complex procedures are required beyond proper welding techniques. It is recommended to use appropriate welding methods for aluminum, such as TIG welding, to ensure a strong, clean bond. Once welded, the bung provides a secure, permanent threaded port for fittings and hoses.

• Weld-in installation requires basic fabrication skills and proper welding equipment.
• No cutting, drilling, or tuning is necessary beyond the initial weld preparation.
• Ensure proper cleaning and fitment before welding to achieve optimal results.

What's Included

• AN12 Male Aluminum Weld Bung
• Welding instructions and recommendations

Ideal For

• Custom fuel and oil tank fabrication
• Radiator and coolant system modifications
• Valve cover and manifold customizations
• Rear axle and differential plumbing
• High-performance and racing applications requiring durable weld-in fittings

Emissions Note

This product is intended for off-road, racing, or custom applications and is not certified for use on street-legal vehicles in all jurisdictions. Please verify local regulations before installation.