1500 psi stainless steel nitrous gauge. A silicone-filled dial withstands lower temperatures than a glycerin-filled dial and provides greater resistance to sudden shocks.
Two Hole Gauge Adapter 4an Blue Swivel. Use this custom fitting for all gauges and nitrous bottle heater kits to mount the pressure switch. Comes in 4an male fitting with male and female on opposite ends. The two ports are 1/8"npt female. Comes with one hole plug just in case you only need one port.
Range: 0-1500 psi