Grams Performance Wideband Air/Fuel Ratio Gauge

For optimum power and safety, measuring your air/fuel ratio is imperative when tuning. The Grams Wideband Air/Fuel Gauge measures at 52mm (2.047 in.) with an LED display that features a 3 color sweep from red, yellow to green. The Grams Wideband utilizes the latest Bosch(R) 4.9 LSU sensor that displays an easy to read 4 digit display with speedy accuracy down to 0.001.
Wideband Air/Fuel Ratio Gauge; Bosch 4.9 LSU Sensor; For Use w/Gasoline/Diesel/E85; Dia. 2 1/16 in.-52mm; Depth 1 in.; Smoke Lens; Black;