Clay Smith Cams 318-2115 Mr. Horsepower Fuel Pressure Gauge, Blk

Comes with a 1/8" NPT center back connection Features an acrylic lens and brass internals It is silicone filled for vibration dampening Has a 1.6" Case O.D. and the bezel O.D. measures 1.75" This gauge has a 0-15 PSI range and a liquid filled black face