Ultralight Auto Meter gauges with blue anodized bezel are designed for the extreme conditions of dirt track racing. Water proof so they can be hosed off after the races. A glow-in-the-dark face means they don't use light bulbs. Keeps them simple and dry.
2-5/8" Ultra-Nite Tach glow-in-the-dark face eliminates need for light and battery. Sealed case keeps moisture and debris out. For standard or electronic ignition.
Mechanical Oil Pressure Gauge Installation Instructions (PDF)
0-100 psi, Has 1/8" NPT male fitting on back for line hook-up