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Amazon.com: ARTILAURA 2-1/16" 52mm Air/Fuel Ratio Gauge LED Digital Display with Narrowband O2 Oxygen Sensor Car Gauge for 12V Car : Automotive
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Wide-band Air/Fuel Ratio (AFR) Gauge with Wide-Band Oxygen Sensor, Digital/Analog LED Display (AFRG1): Wide-band Oxygen Sensor Systems | Racetronix
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AFR Gauge 52MM Air Fuel Ratio Gauge Digital Air Fuel Ratio Meter 12V Smoke Lens 7 Colors Led Light With Gauge Pod Holder Cup
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A highly accurate wideband controller integrated into a standard 2 inch gauge. Now faster with a wider range of readings! – Flyin' Miata
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