Holley EFI 534-215 - Holley EFI Standalone Air/Fuel Wideband 02 Gauge Kit

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