AEM Widebands & Accessories

Widebands, O2 sensors,controllers, and extension harnesses.

Analog Wideband air/fuel gauge

$259.00  $222.00
Save: 14%
A wideband air/fuel controller and gauge interface in one unit! Ideal AFR monitoring tool for EFI and carbureted applications, and engine... more info

Wideband Failsafe Gauge, with boost sensing

$452.79  $325.79
Save: 28%
Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power and fuel... more info