GM 58X EFI HARNESS KIT
GM LS1/6, 24X Crank Sensor, Bosch Injector
Overview
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!
NOTICE: You will need to purchase an ECU and O2 Sensor to make this a complete kit
Features:
- Harness Kit Includes; Main Power Harness, LS2 Main Harness LSX Injector harness
- Simple Installation
- Works with HP or Dominator ECU's
Details:
- Harness Application: LSX
Links
EFI selection chart
Instruction Sheet
Product Information
Product Information
Shipping & Returns
Shipping & Returns


GM 58X EFI HARNESS KIT
GM 58X EFI HARNESS KIT
GM LS1/6, 24X Crank Sensor, Bosch Injector
Overview
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!
NOTICE: You will need to purchase an ECU and O2 Sensor to make this a complete kit
Features:
- Harness Kit Includes; Main Power Harness, LS2 Main Harness LSX Injector harness
- Simple Installation
- Works with HP or Dominator ECU's
Details:
- Harness Application: LSX
Links
EFI selection chart
Instruction Sheet
Original: $134,100.00
-70%$134,100.00
$40,230.00Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
GM LS1/6, 24X Crank Sensor, Bosch Injector
Overview
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!
NOTICE: You will need to purchase an ECU and O2 Sensor to make this a complete kit
Features:
- Harness Kit Includes; Main Power Harness, LS2 Main Harness LSX Injector harness
- Simple Installation
- Works with HP or Dominator ECU's
Details:
- Harness Application: LSX
Links
EFI selection chart
Instruction Sheet
























