Auto Meter's new selection of 1 1/2in. fuel ressure gauges mount conveniently in the engine compartment for easy adjustments on fuel system, regulators, and carburetors. The gauges are availible in 0-1, 0-60, and 0-100 p.s.i. ranges and can be mounted into any fuel pressure regulator, line, or connector with a 1/8in. NPT pressure port. Availible with either a black or silver dial face to match favorite line of Auto Meter High Performance gauges, these fuel pressure gauge will show your flow with precision!