The Aeroflow Performance GM LS complete standalone replacement wiring harness. These harnesses are designed for retrofitting LS series engines and both manual T56/TR6060 transmissions and 4l60 automatic transmissions into older muscle cars and street rods or newer non-emissions controlled vehicles.

They are completely plug and play with four wire hook-up (switched power, constant power and ground connections required) .These are built with New GM Delphi connector and high temperature wires. Harnesses are designed with a sliding grommet seal and 4 - 5 feet of length from the rear of the cylinder head to the PCM mounting position under the vehicle dashboard.