Probably the only reliable fuel pressure gauge on the market. American made !
You get what you pay for !
Analog mechanical Fuel Pressure Gauge, compact 1.5" Diameter, 0-15 psi, marked in 1/4 Pounds increments, 1/8" NPT thread size, vibration-controlled dial
Stainless Steel bezel
This instrument is not dampened by liquid, can be used with alcohol and is accurate to within one percent. It can be mounted to fuel regulator or fuel block for convenient fuel pressure tuning.