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GlowShift’s Stepped Wideband Bung features a “step” that allows you to place this oxygen sensor weld bung in a 13/16” hole you drill into your exhaust system making the mockup and welding process even easier. Made from high-quality 304 stainless steel, the O2 sensor weld bung adapter is 1/2” tall with a thread size of 18mm x 1.5mm which is standard with most O2 sensors. GlowShift includes unlimited tech support and a one-year limited warranty with each purchase.
