4bbl Holley TBI Main Harness

Part # 558-100 Be the first to write a review

4bbl Holley TBI Main Harness for Avenger EFI, HP EFI & Dominator EFI

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4bbl Holley TBI Main Harness for Avenger EFI, HP EFI & Dominator EFI

About Holley EFI

Find standalone EFI for LS, Coyote, Hemi and more at Holley.com. From engine swapping to managing up to 4000 horsepower, we have a solution for every project!

Brand	Holley EFI
Emission Code	5
Harness Application	TBI
Harness Type	Main
Product Type	EFI Main Engine Harness
UPC	090127666708
Part Number	558-100

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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Some parts are not legal for use in California or other states with similar regulations.

4bbl Holley TBI Main Harness

4bbl Holley TBI Main Harness

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