Features:

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

About Holley

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• Holley EFI Oxygen Sensor

  Replacement Sniper and Terminator X O2 Sensor

  Part# 554-155

  $143.95

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