This harness kit include the main harness and any adapters needed for your application. They are made to work with 12597121, 12612384 or 12625455 ECMs, and MR Part #997-9103-00 O2 Sensors and MR Part #997-9200-30 MAF Sensor.
2007-2013 Gen 4 Truck Engine 6L80E Trans
MAF Sensor-BRP Hot Rods Part #997-9200-30
O2 Sensor-BRP Part #997-9103-00
ECM 12597121, 12612384 or 12625455
Setup for VVT