AEM UEGO Digital Air-Fuel Ratio Gauge - 2-1/16 in Diameter - Black/White Face 748008 1-1/4 in Long

1-1/4 in Long

One size with adjustable speedfit fasteners

FIA standard 8858-2010 only approves helmets with the nut washer built into the helmet

Fuel Injected

Coinstructed with non-irritating Pyrovatex fabric

AEM UEGO Digital Air-Fuel Ratio Gauge - 2-1/16 in Diameter - Black/White Face 748008 1-1/4 in LongAEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display and sweeping LED "needle" that changes colors as AFR changes from rich to lean. NOTE: The 30 4100 Wideband UEGO Gauge Controller that uses the 4. 2 LSU sensor will be superseded to the 30 4110 Wideband UEGO Gauge Controller that uses the 4. 9 LSU sensor