The Prosport Evo wideband kit includes the state-of-the-art Bosch wideband O2 sensor -5 wire heated LSU 4.9, which delivers an extensive AFR measurement range from 10.0:1 to 20.0:1.Offered as a complete compact kit Incorporates a Bosch LSU (0-5v) O2 sensor Features digital readout and bar-graph L..