Holley EFI Standalone Air/Fuel Wideband 02 Guage Kit – 2-1/16″ Wideband A/F Guage, 8.5-18, White Face


Model Number: 534-215W

Holley is pleased to announce newest member of its very successful analog-style gauges with the release of a NEW fully standalone 2-1/16” Air/Fuel Wideband O2 Gauge Kit. This highly accurate and feature packed unit is designed specifically for use with all EFI or carbureted systems and available in both black and white face versions.


Completely standalone with easy-to-read analog dial – Great for EFI or carbureted applications

Utilizes Bosch LSU 4.9 wideband O2 sensor which is compatible with all fuel types (Unleaded, Leaded, E85, Diesel, or Methanol)

Slim-style mounting requires very little dash space for installation

270° sweep pointer from 6 to 3 o’clock 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


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