AEM Wideband Air/Fuel Controller Digital Gauge Accurate AFR Monitoring

AEM Wideband Air/Fuel Controller Digital Gauge — Accurate AFR Monitoring Monitor AFR with precision. The AEM Wideband Air/Fuel Controller Digital Gauge delivers fast, reliable air/fuel ratio (AFR) readings so you can tune with confidence. Accurate AFR data prevents power loss from a rich condition and avoids engine damage from a lean condition. High-accuracy wideband sensor — precise AFR measurements across a broad range for street or race use. Digital gauge readout — clear, responsive display for real-time monitoring. Essential for tuning — adjust fueling, ignition timing, and boost to maximize power and efficiency. Durable & reliable — engineered to withstand harsh engine bay conditions. Easy integration — compatible with popular ECUs and datalogging systems. Whether you’re building a performance motor or fine-tuning fuel delivery, the AEM Wideband Controller gives you the AFR accuracy and responsiveness needed for safe, effective tuning. Optimize performance — prevent damage — trust AEM accuracy.