Highly accurate fuel pressure gauge ideal for fitting into a fuel line or fuel pressure regulator. The gauge features a 1/8" NPT male thread with adaptors available for fitting to an AN -10 ORB fitting. The gauge is silicone filled to prevent needle vibration and the scale reads 0-100 Psi with an accuracy of +/- 2%.Accurate to +/- 2%Ideal for in line fitting or pressure regulators with a 1/8" NPT portSilicone filled to prevent needle vibration for more accurate readingsThe Radium Engineering fuel pressure gauge is available in a range of options:Option 1 - Gauge only with no adaptorsOption 2 - Gauge with AN -8 ORB straight adaptorOption 3 - Gauge with AN -8 ORB 90° adaptorOption 4 - Gauge with 1/8" NPT 90° adaptorDimensions - 1 3/4" (44mm) diameter