Utilizing the latest Bosch wideband O2 sensor -5 wire heated LSU 4.9 our gauge now has the widest range 10.0:1 to 20.0:1 AFR readings on the planet.

Featuring white OLED readout in the center of the gauge for AFR and a bar-graph style LED's around the outside of the gauge to display Boost.

^Note: The numbers do not light up by LED.

Range: -30 vac. ~ 45 PSI Boost

This is a complete kit that includes everything you need:

• AFR digital Gauge
• Optionally dim 20% with headlights on (switch wire)
• Bosch 4.9 5 wire heated O2 sensor
• Waterproof Boost Sensor
• Silicone Tubing 
• Weld in Bung
• Instructions
• Wiring harness(Gauge to O2 sensor) 10 feet long
• Plug and play
• Decals
• Visor/hood
• 0-5 volt output signal for data logging