Elite 2500 GM GEN IV LSx (LS2/LS3 etc) non DBW Terminated Harness Kit WBC1/2 CAN O2 Wideband Controller ready (Controller and sensor(s) not included) Suits factory EV6 injector connectors - Includes ECU, Engine Harness, & Fuse Block Kit. Pre-wired to connect directly to OEM 7 Pin Coil Harness Connector (Ignition coils and harnesses are NOT included)