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Grams Wideband Air/Fuel Ratio Gauge

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Availability: In stock

Regular Price: $325.66

Special Price: $310.16

PART #: GRA-G2-99-0055
Grams is proud to offer the most innovative Wideband Air/Fuel Ratio Gauge. Air/Fuel Ratio data is important for tuning as it helps achieve optimum power and safety. Unlike other gauges on the market Grams Wideband is fully digital and features large LED numbers for an easy read. The Wideband is compatible with all fuel types and uses Bosch Power LSU 4.9.

Grams UEGO – wideband air fuel gauge utilizes the Bosch LSU 4.9 sensor which is superior to the LSU 4.2 sensors. One major difference between the LSU 4.9 and LSU 4.2 is the LSU 4.9 uses the reference pumping-current, while the LSU 4.2 uses the reference air. This allows the LSU 4.9 to get rid of the reference air, and therefore remove the biggest failure mode; as a result the LSU 4.9 has a long life and maintains accuracy throughout the life of the sensor

The Grams wideband air fuel gauges feature a 0-5v output for closed-loop feedback when pairing with a standalone ECU. Grams Wideband measures at 52mm with an LED display that features a 3 color sweep from Red, Yellow to Green.

Features:
• 52mm Gauge Housing
• 0-5v analog output (10-20 AFR)
• Bosch 4.9 LSU sensor with weld-in bung included
• Accuracy down to .001 and 4 digit display
• Display output from 10:1 to 20:1 AFR
• LED Display w/ 3 Color sweep from Red, Yellow, Green