Holley EFI Standalone Air/Fuel Wideband 02 Gauge Kit

Standard 2-1/16" Wideband A/F Gauge, 8.5-18, White Face. Includes gauge, wiring harness, and Bosch LSU 4.9 wideband O2 sensor.
Holley EFI fully standalone 2-1/16" Air/Fuel Wideband O2 Gauge Kit. This highly accurate and feature packed unit is designed specifically for use with all EFI or carbureted systems and available in both black and white face versions.FeaturesModular Design w/ Removable TopA-B Height: 12.10” (w/ Carb Style Top - 2 x 4150 or 2 x 4500) – See DrawingHeight at Plenum Flange: 9.44”O-Ring Seals for Plenum Top