GM LS 58X EFI HARNESS KIT
GM LS2/LS3/LS7, 58X Crank Sensor, USCAR/ EV6 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 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 V-8 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 LS 58X EFI HARNESS KIT
GM LS 58X EFI HARNESS KIT
GM LS2/LS3/LS7, 58X Crank Sensor, USCAR/ EV6 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 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 V-8 Injector harness
- Simple Installation
- Works with HP or Dominator ECU's
Details:
- Harness Application: LSX
Links
EFI selection chart
Instruction Sheet
Original: $874.95
-70%$874.95
$262.48Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
GM LS2/LS3/LS7, 58X Crank Sensor, USCAR/ EV6 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 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 V-8 Injector harness
- Simple Installation
- Works with HP or Dominator ECU's
Details:
- Harness Application: LSX
Links
EFI selection chart
Instruction Sheet
























