Engine Oil Filler Cap with Built in Temperature Gauge

A simple and elegant way to monitor your engine oil temperature.  Direct replacement for the stock oil cap… screws in to engine just like the stock cap.  The dial rotates to the readout is always easy to read.  Oil-filled dial dampens vibration to needle as engine is running.  Large knurled body makes removal for oil changes tool-less & easy.  Your choice of Fahrenheit (F) or Celsius (C) readout.