Want to closely monitor Air/Fuel ratios with your Commander 950? The Holley Commander 950 Wide Band O2 gauge features a 3-digit numeric display along with a 40 segment bar graph. With the ultra-high intensity light emitting diodes you will be able to see your Air/Fuel ratio even under direct sunlight. The 510-534-200 is designed to operate in street or race environments and will withstand heat, dirt, and vibration all while fitting in a standard 2-1/16'' gauge pod.Note: Will only work with wideband controllers 510-534-188 & 510-534-197.
