If you are already registered, please log in.
Create your account and enjoy a new shopping experience.
Create A New Account
SKU: EFI-558-103
Holley EFI LS2/LS3/LS7+ Engine Main Harness for HP EFI/Dominator EFI - (EFI-558-103)
Holley EFI
DescriptionUnterminated Universal Main Harness; For HP EFI/Dominator EFI Systems;Holley products have been the undisputed leader in fuel systems for over 100 years. Holley carburetors power every...
Holley EFI
DescriptionFuel Injection Wire Harness; Fits w/1997-2004 LS 1/6 Engines w/24x Crank/1x Cam Sensor And w/HP EFI/ Dominator EFI Systems;Holley products have been the undisputed leader in fuel systems...
Holley EFI
DescriptionTFI Ignition Harness; For Use w/Avenger EFI/HP EFI/Dominator EFI Systems;Holley products have been the undisputed leader in fuel systems for over 100 years. Holley carburetors power every...
Holley EFI
DescriptionUniversal Multi-Point Main Harness; For Avenger EFI/HP EFI/Dominator EFI Systems;Holley products have been the undisputed leader in fuel systems for over 100 years. Holley carburetors...
Holley EFI
DescriptionTPI/Stealth Ram Main Harness; For Avenger EFI/HP EFI/Dominator EFI Systems;Holley Performance Builds Superior Carburetors, Fuel Rails, Fuel Injector Bungs, MAP Sensors, Throttle Position...
have questions?
Price match guarantee
Industry leading support
High quality parts
On-time delivery
Some parts are not legal for use in California or
other states with similar laws / regulations
