03-07 LS Vortec Stand alone Wire Harness Drive by wire 4L80E 4.8 5.3 6.0 DBW

Note that harnesses are for non-emissions equipped vehicles and do not include air pump or EGR provisions. As you can imagine, there is a LOT that goes into making an engine harness. There is evenMORE that goes into making aQuality Engine Harness!