GM LS 24X EFI HARNESS KIT - 558-500 N/EBAY and 2x Brass Unions

and 2x Brass Unions

Holley has done it again

2000-2006 GMC Yukon XL 1500

With Angle Cut

As a Flowmaster® Outlaw extreme system

GM LS 24X EFI HARNESS KIT - 558-500 N/EBAY and 2x Brass UnionsOverview: An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important as the power side. Our Holley EFI Harness Kit for your GM LS engine comes complete with the main harness, power harness and injector harness to support your primary system! Features: Harness Kit Includes; Main Power Harness, LS1 Main Harness & V 8 Injector harness Simple Installation Works with HP or