AEM X-Series Digital Gauges – Wideband AFR, Boost, Oil/Fuel, OBD2, GPS, CAN

30-0300 – X-Series Wideband UEGO AFR Gauge Kit (Black Bezel/Black Face). 30-0300-ACC – X-Series Wideband AFR Gauge Silver Bezel/White Face Accessory. User-selectable AFR, Lambda, or O₂%. 8.5:1–18:1 AFR scale.

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