- Computer Tuning
- Engine & Fuel Management Systems
- Holley EFI Harness Kits
Superior EFI Wiring Components
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. This Holley EFI Harness Kit comes complete with the main#, power#, and injector harnesses to support your primary system!
Filter Results
AVAILABILITY
free shipping
PART TYPE
PART TYPE
BRAND
BRAND
RATING
Part Category
Vendor Part Number
Part Fitment
Terminal Type
PRICE