GlowShift’s 1/8-27" NPT Mild Steel Weld In Bung Female Adapter allows you to install any sensor to components of your vehicle such as the exhaust manifold, exhaust pipe, rear differential and more. Simply drill your 19/32” hole to gain access into the source and weld the bung to create a 1/8-27 NPT port for your sensor. GlowShift includes free lifetime technical support and a one year limited **with each purchase.