Square air fuel ratio gauge, velcro anywhere, size of a keychain remote. Air fuel ratio Gauges help tune the a/f of your engine. air fuel ratio tunning will make more power! -
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Wideband UEGO Air/Fuel Ratio Gauge 52mm (2-1/16ā) with 4.9 LSU Sensor, Digital AFR Controller Gauge, Wideband O2 Control Sensor kit | 0-5V Analog Output (10-20 AFR Range) : Amazon.ca: Automotive
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100 sets/pack) Motorcycle Carburetor Air Fuel Ratio Screw spring + Iron gasket + Rubber Seal O-Ring, Engine - Amazon Canada
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