AU CR GR 2 5/8IN SHRT SWEEP 6 GA SE

Holley's Standalone Air/Fuel Wideband Gauge Kits provide accurate air/fuel ratio measurements with 0-5 volt reference input for all carbureted and EFI fuel systems. These 2-1/16" O2 gauge kits feature 0-5 volt analog output for data logging. Kits include a Bosch LSU 4.9 wideband O2 sensor and an adjustable LED warning light. Gauges are compatible with all EFI or carbureted systems and are available with black or white faces. An internal microprocessor ensures accurate readings. Each gauge is tested for quality. Kits include a slim-style case, a 5-foot weathertight sensor harness, and a 4-foot power/ground/lighting harness for flexible mounting. Backed by a 90-day manufacturer's warranty.