Haltech O2 Wideband Controllers & Accessories

Control Your Air/Fuel Ratio

The Haltech WB1 and WB2 Wideband Controllers allow users to accurately measure air/fuel ratios over a wide range and deliver that information to your engine management systems ECU. These units work with Haltech NEXUS, Elite, and Platinum ECUs. Its plug-and-play CAN compatibility is easily programmed using NSP (Nexus Software Programmer), ESP (Elite Software Programmer), or ECU (Electronic Control Unit) Manager software.