AEM Electronics 52mm Gauge Type Wideband UEGO Controller Lowering Springs The difference is the LED

The difference is the LED color that illuminates when the lights are activated

the factory intercooler hits its limits

Bring basic hand tools and have fasteners ready—your truck's service manual will specify the correct bolt size and torque spec for your model year

Designed for plug-and-play installation at factory mounting points

Includes all factory mounting provisions and connection ports

AEM Electronics 52mm Gauge Type Wideband UEGO Controller Lowering Springs The difference is the LEDAEM Wideband UEGO controller monitors air fuel ratios during tuning to prevent lean fuel mixtures that can lead to engine damage. This unit combines AEM's single channel wideband UEGO controller and gauge display into one compact unit. This gauge type controller features a digital LED display and sweeping LED needle that changes colors as the AFR changes from rich to lean. The gauge fits in any 52mm (2 1 16") housing and can be mounted virtually