Holley Gauge Standalone A/F Ratio EFI-style 8.5:1-18:1 2 1/16 in. Dia. 553-168

Holley Gauge Standalone A/F Ratio EFI-style 8.5:1-18:1 2 1/16 in. Dia.

Notes: Gauge Standalone A/F Ratio EFI-style 8.5:1-18:1 2 1/16 in. Dia. Analog Full Sweep Illuminated with Electrical Sending Unit Black Face

Holley EFI now offers a fully standalone 2-1/16 Air/Fuel Wideband O2 Gauge Kit with 0-5 volt analog output allowing data logging capability. Our gauge kit includes a slim mounting analog face gauge with 5-foot weathertight sensor harness and 4-foot power/ground/lighting harness allowing for flexible mounting locations and a Bosch LSU 4.9 wideband O2 sensor. Designed specifically for use with all EFI systems and available in both black and white face versions. Features: Completely standalone with easy-to-read analog dial - Great for EFI or Carburetted applications Features 0-5 volt analog output for data logging Includes Bosch LSU 4.9 wideband O2 sensor which is compatible with all fuel types (Unleaded, Leaded, E85, Diesel, or Methanol) Gauge reads in gasoline scale only Slim-style composite carbon case allows mounting with very little dash space required 270 sweep pointer from 6 to 3 oclock makes gauge easy to read at a glance Internal microprocessor controls the pointer movement to ensure accurate movement in street, off road, and racing conditions Adjustable LED warning light allows user to set both low and high trigger points Peak recall button allows user to view min/max gauge readings Gauge includes a 5 ft. 6-pin weathertight sensor harness and 4 ft. power/ground/lighting harness allowing for flexible mounting locations Spin lock ring threads to back of gauge case for simple and secure gauge mounting CNC machined billet aluminum bezels with anodized finish Bezels are threaded for easy replacement Multiple bezel options available separately User can customize the gauge to their preference