AutoMeter Ultra-Lite 52mm Digital Wideband Air/Fuel Ratio Gauge — Street Performance

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SKU: ATM4379
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Sale price$302.99 Regular price$323.73
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About AutoMeter

AutoMeter engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full AutoMeter lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Precision Air/Fuel Monitoring for Street Performance

The AutoMeter Ultra-Lite 52mm Digital Wideband Air/Fuel Ratio Gauge is the ultimate tool for tuners looking to extract maximum power safely. Engineered for gasoline applications, this gauge delivers professional-grade accuracy without the complexity of free-air calibration. Its advanced auto-calibration system resets on every startup, ensuring consistent readings throughout the lifespan of your sensor.

Key Features and Benefits

  • Auto-Calibration: Eliminates the need for manual free-air calibration.
  • High-Speed Response: Provides real-time data to prevent engine damage.
  • Data Logging Ready: Includes output compatibility for one or two-wire systems.
  • Complete Kit: Comes with a specialized O2 sensor and high-quality wiring harness for a seamless install.

Whether you are fine-tuning a street machine or a track-day build, the Ultra-Lite series offers the durability and readability required for high-performance environments. The digital display provides crystal-clear visibility, allowing you to monitor your engine's health at a glance. By maintaining the correct air/fuel ratio, you protect your engine from lean conditions while optimizing fuel efficiency and power output. Trust your engine diagnostics to the experts at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About AutoMeter

AutoMeter engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full AutoMeter lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Precision Air/Fuel Monitoring for Street Performance

The AutoMeter Ultra-Lite 52mm Digital Wideband Air/Fuel Ratio Gauge is the ultimate tool for tuners looking to extract maximum power safely. Engineered for gasoline applications, this gauge delivers professional-grade accuracy without the complexity of free-air calibration. Its advanced auto-calibration system resets on every startup, ensuring consistent readings throughout the lifespan of your sensor.

Key Features and Benefits

  • Auto-Calibration: Eliminates the need for manual free-air calibration.
  • High-Speed Response: Provides real-time data to prevent engine damage.
  • Data Logging Ready: Includes output compatibility for one or two-wire systems.
  • Complete Kit: Comes with a specialized O2 sensor and high-quality wiring harness for a seamless install.

Whether you are fine-tuning a street machine or a track-day build, the Ultra-Lite series offers the durability and readability required for high-performance environments. The digital display provides crystal-clear visibility, allowing you to monitor your engine's health at a glance. By maintaining the correct air/fuel ratio, you protect your engine from lean conditions while optimizing fuel efficiency and power output. Trust your engine diagnostics to the experts at GGCRACING.

Product Details

Product Description

About AutoMeter

AutoMeter engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full AutoMeter lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Precision Air/Fuel Monitoring for Street Performance

The AutoMeter Ultra-Lite 52mm Digital Wideband Air/Fuel Ratio Gauge is the ultimate tool for tuners looking to extract maximum power safely. Engineered for gasoline applications, this gauge delivers professional-grade accuracy without the complexity of free-air calibration. Its advanced auto-calibration system resets on every startup, ensuring consistent readings throughout the lifespan of your sensor.

Key Features and Benefits

  • Auto-Calibration: Eliminates the need for manual free-air calibration.
  • High-Speed Response: Provides real-time data to prevent engine damage.
  • Data Logging Ready: Includes output compatibility for one or two-wire systems.
  • Complete Kit: Comes with a specialized O2 sensor and high-quality wiring harness for a seamless install.

Whether you are fine-tuning a street machine or a track-day build, the Ultra-Lite series offers the durability and readability required for high-performance environments. The digital display provides crystal-clear visibility, allowing you to monitor your engine's health at a glance. By maintaining the correct air/fuel ratio, you protect your engine from lean conditions while optimizing fuel efficiency and power output. Trust your engine diagnostics to the experts at GGCRACING.

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