ARP Weld Bungs

AN12 Male Steel Weld Bung for Automotive Applications

Part #: 800-8209

Overview

The ARP Weld Bungs are precision-engineered, high-quality weld-in fittings designed for a variety of automotive applications. Crafted from premium materials, these bungs are ideal for custom oil or fuel tanks, radiators, valve covers, manifolds, and rear axle housings. Whether you're building a race car, restoring a classic, or customizing your vehicle, these weld bungs provide a reliable and durable solution for adding threaded ports in critical areas.

Designed with versatility and strength in mind, ARP's weld bungs ensure a secure, leak-free connection for your oil lines, fuel lines, or other fluid systems. Their CNC-machined construction guarantees precise dimensions and a clean finish, making installation straightforward and ensuring a professional-grade result. These bungs are perfect for enthusiasts and professional fabricators who demand top-tier quality and performance in their custom fabrication projects.

Key Features

ARP Weld Bungs are built with the following features to meet the demands of high-performance automotive applications:

• Manufactured from CNC-machined 6061 solid aluminum billet or 1018 mild steel, offering excellent strength and corrosion resistance.
• Designed with a -12 AN thread size, compatible with a wide range of AN fittings and hoses used in fuel, oil, and coolant systems.
• Precision CNC machining ensures accurate thread engagement and a smooth, clean finish for easy installation and sealing.
• Available in your choice of materials to suit specific needs—aluminum for lightweight applications or steel for maximum durability.
• Ideal for welding into oil or fuel tanks, radiators, valve covers, manifolds, and rear axle housings, providing a secure threaded port for fluid connections.
• Great for custom fabrication projects, race cars, off-road builds, or any application requiring reliable weld-in fittings.
• Designed to withstand high temperatures and pressures typical in performance and racing environments.

Construction & Design

These weld bungs are meticulously CNC-machined from high-quality materials to ensure precise dimensions and a professional finish. The aluminum variants are made from 6061 billet, known for its excellent strength-to-weight ratio and corrosion resistance, making them suitable for lightweight and high-performance applications. The steel options are crafted from 1018 mild steel, providing exceptional durability and strength for demanding environments.

The threaded portion is engineered to meet exact specifications, ensuring a tight, leak-proof seal when welded into your component. The smooth, machined surface allows for clean welding and finishing, reducing the risk of leaks or weld defects. ARP's attention to detail in manufacturing guarantees a product that not only performs reliably but also maintains its integrity over time, even under extreme conditions.

Performance & Reliability

Designed for high-performance use, these weld bungs can withstand the rigors of racing, off-road adventures, and daily driving. Their robust construction ensures long-term durability, while the precise threading facilitates secure attachment of fittings and hoses. Whether used in oil pans, fuel tanks, or other fluid systems, these bungs provide a dependable connection point that supports your vehicle's performance and safety.

Installation & Fitment

Installing the ARP Weld Bungs is straightforward for experienced fabricators and mechanics. The process involves welding the bung into a pre-drilled hole in your component, ensuring a strong, permanent bond. No additional hardware or complex procedures are required beyond proper welding techniques. It is recommended to follow standard welding practices and ensure proper cleaning and preparation of the surfaces for optimal results.

These bungs are designed to fit standard -12 AN fittings, making them compatible with a wide range of aftermarket and OEM components. Proper welding and sealing are essential to prevent leaks and ensure safety in your fluid systems.

What's Included

• One ARP Weld Bung with -12 AN male steel threaded port
• Installation instructions (if provided)

Ideal For

• Custom oil and fuel tank fabrication
• Radiator and cooling system modifications
• Performance engine builds and race cars
• Off-road vehicle modifications
• Any project requiring a durable, weld-in threaded fitting

Emissions Note

This product is intended for off-road or racing use only and may not be legal for use on public roads in all jurisdictions. Please check local regulations before installation.