Availability

- In Stock Items, Including at a Supplier. Ships In a Few Days. (4) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (4) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filters
Stock EFI System
- No (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Yes (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Metering Style
- Speed density (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Universal
- No (4) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Yes (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Engine
Quantity
- Sold as a kit. (3)
- Sold individually. (1)

Fuel Injection System Wiring Harnesses

Showing In Stock Items. Show All 4 Items.

Individual Parts

Part Groups

Results 1 - 4 of 4

Holley Replacement Fuel Injector Wiring Harnesses 558-501

Fuel Injection System Wiring Harnesses, Holley EFI, GM LS 58X Crank Sensor, Includes Power, EV6 Injector, Main Harnesses, for HP, Dominator ECUs, Kit

Part Number: HLY-558-501

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 9, 2026 if ordered today

Holley EFI Systems Wiring Harnesses 558-113

Wiring Harnesses, Holley EFI, Ford 2V/4V Modular, Main Harness, Multi-Port Fuel Injection, for Holley Smart Coils, HP EFI System, Ford, 4.6-5.4L, Each

Part Number: HLY-558-113

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today