2003 - 2007 LS LSX VORTEC 4.8 5.3 6.0 6.2 Standalone Multec Engine Wir – Dynamic Performance Tuning

2003 - 2007 LS LSX VORTEC 4.8 5.3 6.0 6.2 Standalone Multec Engine Wiring Harness | 4L60E, 4L80E, T56

  • Sale
  • Regular price $399.95
Shipping calculated at checkout.


*** Please Note: Order processing can take up to 3 business days. Due to COVID-19 processing and shipping may be delayed. Shipping timeframes start after the order processing has been completed. ***

• These harnesses are designed for retrofitting VORTEC 4.8L, 5.3L, 6.0L, 6.2L engines into older muscle cars and street rods or newer non-emissions controlled vehicles.
• Harness allows use of the factory Vortec intake manifold and multec injectors with flex-fuel injectors (EV6) optional (Please specify during checkout, adapters available). 
• 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 4 - 5 feet of length from the rear of the cylinder head to the PCM mounting position under the vehicle dashboard.
• A sliding grommet seal allows for professional, leak proof installation.
• Harnesses are professionally constructed from Brand New GM Delphi Connectors and TXL (Polyethylene Cross Linked)
High Temperature Wire to GM Specifications. All harnesses are 100% Quality Inspected prior to shipping.

***Note that harnesses are for non-emissions equipped vehicles and do not include air pump or EGR provisions.