Accurately monitoring the air/fuel mixture is critical for maximizing engine performance and longevity. The AutoMeter Sport-Comp 52mm Wideband Air/Fuel Gauge delivers precise readings through an advanced calibration system that automatically calibrates on each startup, eliminating the need for free air calibration and ensuring consistent accuracy over the sensor's lifespan. Compatible with nearly all fuel types, this gauge features a configurable display allowing you to monitor Lambda or A/F ratio precisely within your desired range. The high-resolution Bosch LSU4.2 sensor, with a 0.1 AFR resolution, provides detailed data for tuning and performance analysis. The included wiring harness, stainless steel weld-in bung, and mounting hardware facilitate straightforward installation, making this a versatile choice for both street and track use.