New from PSI – the LT1/L83 /L86 Gen V Standalone Wiring Harnesses & Engine Controller Kits. These kits are perfect for swapping these engines into older muscle cars or street rods. See more details below.

Official Release:

These harnesses are designed for retrofitting 2014+ LT1/LT4/Ecotec3 (L83/L86) engines with Manual or 6L80E/6L90E transmissions into older muscle cars/street rods or newer non-emissions controlled vehicles. They are completely plug and play with four wire hookup (switched power, constant power and ground connections required). Harnesses are designed with a sliding grommet seal and approx. 4 feet of length from the rear of the passenger cylinder head to the ECM mounting position under the vehicle dashboard. A sliding grommet seal allows for professional, leak proof installation.

Harnesses are professionally constructed from Brand New GM Factory/OEM Connectors and TXL (Polyethylene Cross Linked) High Temperature Wire to GM Specifications. All harnesses are 100% Quality Inspected prior to shipping. All harnesses require ECM VATs removal, available through PSI. Please contact PSI for more information.

Features:

• Completely plug and play
• Four wire hookup
• Sliding grommet seal allows for professional leak proof installation