If you want to monitor everything in your Mustang, you need Competition Gauges from Ford Racing. This Ford Racing mechanical Fuel Pressure guage displays 10-100 PSI.
Ford Racing Competition-Style gauges are available in 2-1/16" diameter. Both the gauge cages and pods are made of strong material which is even guaranteed to outlast your Mustang. The gauge cages are crafted from aluminum and have a matte black finish to complement the gauge bezels. The cages are assembled with allen bolts to ensure a perfect seal. The gauge pods are made of tough plastic that prevents warping and cracking. Each pod is custom fit to each application making an easy installation and perfect fit all in one.
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Note: Image shown above includes all 5 Competition Gauges that we carry, which are sold separately!