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Lowdoller Motorsports Weld-In Bung Fittings

Lowdoller Motorsports weld-in bung fittings offer superior durability, precision, and application versatility for custom fabrication in automotive and racing projects. Their product line includes options made from corrosion-resistant 316 stainless steel and lightweight 6061 billet aluminum, designed for robust and reliable connections. These bung fittings are designed for a permanent, high-strength attachment, which is a significant advantage over less-secure mounting methods. Select the bung fittings for your application.

Not Yet Reviewed

$6.99

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$9.99

Pacific Performance Engineering Weld-On Bungs

Pacific Performance Engineering weld-on bungs are durable, precision-machined fittings designed to be welded onto metal surfaces (like oil pans, fuel tanks, or exhaust pipes) to create secure ports for sensors, gauges, or drain plugs. They're commonly used for custom fabrication in diesel applications and are available in materials like 303 stainless steel. Additional details: * Purpose: Allows for the easy addition of NPT (National Pipe Thread) fittings to custom fabricated or existing tanks, reservoirs, and pipes * Common use vases: Ideal for installing 1/4 in. NPT sensors, temperature probes, exhaust gas temperature (EGT) probes, or drain plugs * Fabrication: Designed to be welded on, making them essential for custom oil pans, exhaust systems, and fuel systems * Design: Often feature a stepped design, allowing the bung to drop into a hole, which helps with positioning and allows for a clean finish on the surface * PPE is known for developing high performance diesel technology for Ford, Dodge, and Chevy, specializing in components that improve factory platforms

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$3.59

AiM Sports Weld-In Bungs

AiM Sports weld-in bungs create secure, precise mounting points for your AiM sensors. Whether to watch air/fuel ratio (Lambda) or exhaust temperatures (EGT), AiM offers bungs made from steel or stainless steel, ensuring durability, weld quality, and a professional finish. Select the appropriate bung needed for your application.

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$7.99

Clearance

Banks Power Weld Bungs

Banks precision-made weld-on bungs are available in 1/8 in. or 3/8 in. NPT threads. Whether you're adding pressure/temperature sensors to your engine, injection nozzles, an EGT to your exhaust (or anything, for that matter), these 6061-T6 aluminum weld-in bungs are exactly what you need. Build out your custom system to fit your needs.

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$9.00

$5.50

Vibrant Performance Weld Bungs

Vibrant AN and NPT weld bungs are ideal to help you with your custom plumbing project. They are manufactured from quality materials--mild steel or T6061 billet aluminum--and are available in female NPT, male AN, and female AN thread and O.D. sizes to suit your application--and your budget--perfectly. Let Vibrant help you with aluminum radiators, oil pans, custom tank fabrication, or any other project that requires custom plumbing.

4.6 out of 5 stars ( 43 )

$6.50

Lowdoller Motorsports EGT Bung Caps

Lowdoller Motorsports EGT bung caps are a simple, reliable solution for sealing unused exhaust gas temperature sensor ports. Designed to fit standard 1/4 in. NPT EGT bungs, this cap keeps dirt, moisture, and exhaust leaks out when a probe is not installed. Ideal for race, street, or fabrication applications, it provides a clean, secure closure and is perfect for temporary setups, sensor removal, or future expansion. Durable construction ensures dependable performance in high heat exhaust environments.

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$7.99

Lowdoller Motorsports EGT Tube Ferrules

Lowdoller Motorsports EGT tube ferrules provide crucial, high-temperature, and leak-free mounting for EGT probes in high-performance racing applications, utilizing durable materials to withstand the harsh, high-temperature environments found in race engines, ensuring longevity. When paired with Lowdoller's weld bungs, the ferrule system ensures a secure seal, critical for accurate, real-time exhaust gas temperature (EGT) readings. These EGT tube ferrules by Lowdoller Motorsports provide secure, reliable and consistent sensor positioning for accurate data, which is essential for optimizing engine tuning, as well as preventing costly failures.

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$5.99

Speedflow EGT Caps

Speedflow EGT caps will effectively seal the exhaust bung when the EGT sensor is removed, preventing exhaust leaks, debris, and unwanted airflow that could affect engine tuning and readings. They are ideally used to ensure your system's reliability between sensor changes and during maintenance.

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$4.99

Computech Weld-in Header Adapters

Computech weld-in header adapters allow you to connect a professional EGT probe to any of your cylinders. Simply drill a hole, weld them in place, and you're ready to add your exhaust sensor. They utilize a 1/8 in. pipe thread and are made to fit with the 3/16 in. diameter probes, as are standard for Computech.

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$7.99

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