Aem 30-0334 Afro Sensor Controller (X-Series Wideband Ugo Gauge With Obie Connectivity) 2.0625 x 0.825 inches

The Fastest Responding Wideband AFR Controller. Use the factory 02 calibration or free-air calibrate using buttons on faceplate. It has shipping options to quickly meet every need, including same-day shipping for orders placed as late as 8 p. m.