Innovate Motorsports 3891 DLG-1 Dual Lambda Oxygen Gauge Kit Monitor left and right exhaust banks on one single gauge Wideband O2 Compatible with several fuel types (Leaded, Unleaded, Diesel, E85 & more) Perfect for all V configured engines Plug & Play setup for both O2 sensors User configurable OLED display (AFR or Lambda) Multiple ways to display data on gauge