Take the hassle out of drilling and tapping with the XDP 1/8" NPT Drill and Tap Kit XD196. Not having the right tools, or having to go find them, can waste a ton of time and really put a damper on the install of your newest upgrade. Installing a pyrometer probe to measure your exhaust gas temperatures? Installing a nozzle for your new nitrous or water-meth injection system? We've got you covered! Each kit includes a 1/8" - 27 NPT high carbon steel taper pipe tap and a high-quality matching drill bit. Grab one of these kits when installing gauges, performance electronics that require EGT probes, and any other sender, probe or nozzle that requires 1/8" NPT threads.