Vibrant 11273 Female 1/2"-14NPT Mild Steel Weld Bung 1-1/4" OD

The Vibrant Performance 11273 is a female threaded weld bung designed for fabricating custom exhaust systems, turbo installations, and fluid system plumbing. This precision-machined mild steel bung features 1/2"-14NPT internal threads and a 1-1/4" outer diameter.

Key Features:

• Female 1/2"-14NPT internal threads for secure sensor or fitting installation
• 1-1/4" outer diameter provides ample weld surface area
• Constructed from mild steel for excellent weldability
• Precision-machined threads ensure proper seal and fitment
• Ideal for oxygen sensors, temperature probes, boost gauges, and fluid fittings

This weld bung is commonly used in performance exhaust fabrication to install wideband O2 sensors, boost pressure taps, or EGT probes. The mild steel construction allows for easy TIG or MIG welding to steel tubing and exhaust components. Simply weld the bung to your pipe or housing, then thread in your NPT sensor or fitting for a leak-free connection.