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Fuel Injection System Wiring Harnesses

Individual Parts

Results 1 - 20 of 20

Wiring Harnesses, Holley EFI, Universal, Unterminated, Main Harness, Multi-port Fuel Injection, for HP, Dominator, EFI Systems, with Connectors, Each

Part Number: HLY-558-105

5.0 out of 5 stars ( 2 )

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Wiring Harness, Holley EFI, V8 Over Manifold, Bosch Injector Harness, for Avenger, Dominator, HP EFI Systems, Chrysler, GM, Cylinder Orientation, Kit

Part Number: HLY-558-200

5.0 out of 5 stars ( 3 )

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Wiring Harnesses, Holley EFI, Replacement, Main Harness, Multi-port Fuel Injection, for HP, Dominator, EFI Systems, Universal, Each

Part Number: HLY-558-104

4.0 out of 5 stars ( 2 )

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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 )

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Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Ford V8, Evenly Spaced, Injector Harness, Bosch/Jetronic, for HP, Dominator EFI, Each

Part Number: HLY-558-213

5.0 out of 5 stars ( 2 )

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Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Ford V8, Evenly Spaced, Injector Harness, USCAR/EV6, for HP, Dominator EFI, Each

Part Number: HLY-558-212

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Fuel Injection System Wiring Harnesses, Holley EFI, Multi-port Fuel Injection, Coil-on-Plug, Dual CANbus, for Holley HP, Dominator EFI, Universal, Kit

Part Number: HLY-558-117

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Fuel Injection System Wiring Harnesses, Holley EFI, Pro-Dash, Input/Output, Unterminated, 2 and 3 Conductor Cable, 10 ft. Long, Pins, Plugs, Each

Part Number: HLY-558-456

5.0 out of 5 stars ( 1 )

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Wiring Harness, Fuel Injector Sub-Harness, EV6, Nexus Rebel LS, Chevrolet, LS, Each

Part Number: HTH-HT-186502

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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

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Estimated Ship Date: Mar 9, 2026 if ordered today

Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, EV6 Unterminated, Injector Harness, 36 in. Long, with Pins, Seals, Connector, Kit

Part Number: HLY-558-216

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Fuel Injection System Wiring Harnesses, Holley EFI, Universal, V8 MPFI Harness, with Main, Power, Bosch Injector Harnesses, for HP, Dominator ECU, Kit

Part Number: HLY-558-504

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Fuel Injection System Wiring Harnesses, Holley EFI, GM LS 24X Crank Sensor, Includes Power, LS1 Injector, Main Harnesses, for HP, Dominator ECUs, Kit

Part Number: HLY-558-500

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Fuel Injection System Wiring Harnesses, Holley EFI, 6 Cylinder, MPFI, SFI, TBI, Injector Harness, for HP, Dominator EFI Systems, Universal, Each

Part Number: HLY-558-203

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

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: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Fuel Injection System Wiring Harnesses, FiTech, EFI, TPS Splitter, Gm 3 Pin, Each

Part Number: FIF-62020

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

FT550 6 CYLINDER UNIVERSAL B EXPANSION HARNESS

Part Number: FCH-2002008377

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Fuel Injection System Wiring Harnesses, FiTech, EFI, Injector Sub Harness, Delphi Multec 2, Each

Part Number: FIF-70050-24

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Fuel Injection System Wiring Harnesses, FiTech, EFI, LS Coil Extension Harness, 36 in. Long, Each

Part Number: FIF-70050-26

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Fuel Injection System Wiring Harnesses, FiTech, EFI, Injector Extension Harness, 6 Position, 24 in.Long, Each

Part Number: FIF-70050-25

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

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