MagnaFuel analog fuel pressure gauges can be a great diagnostic tool for keeping an eye on your fuel system to ensure it is running at peak performance levels. These quality gauges monitor the fuel pressure in your engine to help prevent damage to your fuel pump and injectors, as well as help to diagnose an overall loss of horsepower. Accurate readings are vital to proper calibration. These 1 1/2 in. fuel pressure gauges from MagnaFuel are easy-to-read, and are dependable when you need them the most. The gauges feature a black dial face with white lettering and digits, a chrome bezel and bright red pointer to provide "at-a-glance" readings. And, of course, these analog fuel pressure gauges also sport the MagnaFuel logo!