Mishimoto's Weld-On Bungs are a precision-engineered components designed for the DIYer who want to securely integrate additional components onto various systems on any vehicle. Crafted from either high-quality aluminum, steel, or stainless-steel materials, our durable bung offers an M18x1.5 fitment and can be used for installing boost gauges, wideband O2 sensors, and other performance upgrades.
