− Decrease quantity for Air/Fuel Ratio Gauge; ES; Wideband Air Fuel Ratio Gauge; 2 1/16 in.; Analog; 8-18; Full Sweep Quantity + Increase quantity for Air/Fuel Ratio Gauge; ES; Wideband Air Fuel Ratio Gauge; 2 1/16 in.; Analog; 8-18; Full Sweep Add to cart