T Piece that allows you to keep the dash oil warning light whilst having a separate Oil Pressure (or Temp) GaugeTo suit Engines with 1/8 BSPT oil pressure switch (around 75-80% of vehicles made). If your not sure message us your car details and we can check for youCNC machined BrassAllows the fitment of a standard 1/8 NPT oil pressure switch, sender to take off for a turbo oil feed line