Fuel Pressure GaugeMechanical2 5/8 in. Diameter0-15 psiChrome BezelBlack FaceIncludes:1/8 in. NPT Male ConnectionSilver BezelBlack BezelTubing not included b/c passenger compartment requires isolator Note: We recommend a stainless braided fuel line and appropriate fittings/hose ends. If mounting the gauge in the passenger compartment, we also recommend Autometer Fuel Pressure Gauge Isolator Kit 105-5376 (sold separately).