EFI HARNESS KIT for GM LS1/6, 24X Crank Sensor, Bosch Injector
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!
•Harness Kit Includes; Main Power Harness, LS1 Main Harness & V-8 Injector harness
•Works with HP or Dominator ECU's
NOTICE: You will need to purchase an ECU and O2 Sensor to make this a complete kit
558-500 EFI HARNESS for GM LS1/6