AUTOMETER CARBON FIBER ELECTRIC NITROUS PRESSURE GAUGE -- 2-1/16 in.; 0 to 1600 psi; Includes 1/8 in. NPT sender, 8 ft. tubing or wiring harness, and data logger output; Full sweep; Features easy data acquisition installation, ultimate high performance dial face look, and air fuel ratio gauge; Recommends elbow fitting, gauge mounting cup, gauge panel, and mounting angle ring.