12200411 LS GEN 3 SWAP PCM ECM ECU ENGINE CONTROL COMPUTER LS1 5.3 6.0 0411 LSX
All working units, will be tested and guaranteed. Will work with all 4.8, 5.3, 5.7 and 6.0 engines with cable throttle body. Also can be programed to work with drive by wire. Red & Blue Connection Will need to be programmed.