Banks Power Weld BungInstall any 1 8 or 3 8 NPT pressure or temperature sensor into a steel pipe. Bung is required to be welded onto a pipe or manifold. Banks precision made high quality NPT weld on bungs. Whether you are adding pressure temperature sensors to your engine, injection nozzles, an EGT to your exhaust (or anything for that matter), these weld in bungs are exactly what you need. Build out your custom system to fit your needs. Key Features: Thread: 3 8" and 1