For Sale Mooneyes direct mount fuel pressure gauge 0-1500 psi great for Nitrous lines can be used for other applications.  Has an 1/8" NPT male pipe thread in the back of the gauge.  This is a direct mount not an in dash.  It measures 1-3/4" diameter, 1" thick,  1-3/4" overall depth with nipple.  If you have any questions feel free to call us 1-800-660-4295