$20 Off $250 / $40 Off $500 / $80 Off $1,000 - FINAL DAY! Use Promo Code: TREAT

$20 Off $250 /$40 Off $500 / $80 Off $1,000
FINAL DAY! Use Promo Code: TREAT

Free Mount & Balance for Many Wheel & Tire Packages - Contact us for Details!

Fuel Injection System Wiring Harnesses

Individual Parts

Results 1 - 7 of 7

Fuel Injection Systems Wiring Harnesses, Dominator EFI, J2A Auxiliary Harness, MPFI, Speed Density/Throttle Metered, with Wideband O2 Sensor, Kit

Part Number: HLY-558-401

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

Fuel Injection System Wiring Harness, Holley EFI, Main Power, Universal, Speed Density/Throttle, 13 ft. Long, for Avenger, HP, Dominator EFI, Kit

Part Number: HLY-558-308

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Auxiliary Harness, J1A/B Inputs/Outputs, for Terminator, Dominator EFI Systems, Each

Part Number: HLY-558-400

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

Fuel Injection Systems Wiring Harnesses, Dominator EFI, J3 Auxiliary Harness, MPFI, Speed Density/Throttle, 17 Input/Outputs, Connector Included, Kit

Part Number: HLY-558-403

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

Fuel Injection Systems Wiring Harnesses, Dominator EFI, J4 Auxiliary Harness, MPFI, Speed Density/Throttle, 26 Input/Outputs, Connector Included, Kit

Part Number: HLY-558-404

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

Adapter cable, CD-7/CD-7L Plug & Play Adapter Harness for Holley Dominator and HP EFI, Each

Part Number: AVM-30-2214

Not Yet Reviewed

Estimated Ship Date: Oct 23, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 23, 2025 if ordered today

Fuel Injection System Wiring Harnesses, Holley EFI, 2V Modular EFI, with Main, Power, Injector Harnesses, for HP, Dominator ECU, Ford, 4.6-5.4L, Kit

Part Number: HLY-558-505

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 27, 2025 if ordered today

This product may not be eligible for select promotional offers

  • 1
  • Page 1 of 1

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.