AEM Boost Gauge Combo Set of 3 – AFR AEM X Series Wideband, Oil Pressure & Turbo Boost Air Fuel Ratio Gauge Kit
Keep your performance build dialed in and your engine protected with the AEM 3 digital temperature gauge Set, featuring the UEGO AEM Wideband Sensor (30-4110), Digital Oil Pressure Gauge (0–100 PSI, 30-4401), and Digital Turbo Boost Fuel Gauge (-30–35 PSI, 30-4406). Whether you're tuning on the dyno, dialing in a street setup, or monitoring during spirited driving, this AFR gauge kit delivers the accurate, real-time feedback serious drivers demand. The combination of AFR and boost/fuel pressure data gives you full visibility into your engine's performance, helping prevent costly damage while maximizing power output.

Compact, High-Visibility Gauges with Pro-Level Features
At just 0.825” overall depth and 0.200” cup depth, these 2-1/16” (52mm) digital gauges for car mount almost anywhere, great for tight pods, custom panels, or factory dash placements. The X-Series' oversized center LED and 24 green outer LEDs make at-a-glance readings effortless, while user-selectable threshold warnings keep you ahead of potential issues. Built-in auto-dimming wideband O2 sensor kit ensures the display is always easy to read, day or night.

Data You Can Trust, Integration You'll Love
Each digital boost gauge offers 0-5V analog outputs and AEMnet CANbus capability, making it simple to feed accurate data to your engine management system or data logger. The Wideband AEM AFR gauge covers multiple fuel types, gasoline, ethanol, E85, and methanol, with gasoline AFR display values from 8.0:1 to 20.0:1 and Lambda from .55 to 2.00.

Complete Kit, Ready to Install
Everything you need comes in the box, wiring, sensors, and mounting hardware, plus MAPerformance lanyards for that finishing touch. From weekend warriors to competitive builds, AEM performance electronics are engineered to deliver reliability, accuracy, and the data you need to win