Mishimoto 1/8in NPT CNC-Machined Nozzle Mount Adapter - BlackAdding ancillary ports to your intercooler or engine cooling system can be a challenge, especially if you don't have access to metal fabrication equipment. Our team recognized the need for an easy to install 1 8" NPT adapter bung for use on existing rubber or silicone couplers. Keeping this install tidy and professional was our primary goal, which we achieved by designing a subtle fitting from high quality materials. Our 1 8 in NPT hose bung is