AutoMeter 52mm Ultra-Lite Narrowband Air/Fuel Ratio Gauge, Lean-Rich (4375) GSC 5 O-Ring Seal Aluminum/Zinc 648060

5 O-Ring Seal Aluminum/Zinc 648060 -6AN 14mm x 1

• Dyno Proven gains of up to 14 hp and 11 lb-ft

filters to one micron

• Fits stock or stock-frame turbo

AutoMeter 52mm Ultra-Lite Narrowband Air/Fuel Ratio Gauge, Lean-Rich (4375) GSC 5 O-Ring Seal Aluminum/Zinc 648060AutoMeter's Narrowband Air Fuel Gauge for warning of lean burn conditions under heavy engine load. Compatible with factory narrowband O2 sensors (0 1V) and features LED radial bar graph display. Features: Compatible with factory narrowband O2 sensors (0 1V) May require model 2244 if vehicle does not have factory narrowband primary O2 sensor Features LED radial bar graph display Not compatible with 5 wire air fuel sensors Will not work with wideband O2